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Note that Overwatch has a competitive mode. In that case they have to assume all users are equally matched.

For a patch done awhile ago they nerfed Torbjorn on consoles. Because on console the delay in the controller aiming meant that the turret was much much more powerful on consoles

While on PC, the accuracy of the mouse/kb setup meant that this was not a problem on PC so no nerf was necessary.

https://gamerant.com/overwatch-torbjorn-turret-nerf/

Since they want Overwatch to be competitive, it means users need to be on an equal footing. They know kb/mouse setup gives users a significant advantage over controller users.

Games like Overwatch are treated like sports.  The players really care about leaderboards and balance.  They need to be on a level playing field.  It's the same reason that the PC and console version players are separated.

Are you not understanding that you have to use 3rd party hardware and software to make KB/mouse work on consoles?

I understand.  If a player can do it, it is a part of the game.  If you make games you have to accept that players will do anything they can do, and design the game around that.  Begging them not to play the game in a way you don't want them to generally isn't considered to be a workable solution.

What is new to the modern game industry is often a very old issue to us

Except that people win looooots of money playing this, and the only way to ensure that noone is cheating is to make sure that everyone is on equal footing. And especially when the console market is so casual. The amount of players who are actually willing to buy hardware for consoles is so small that it wouldn't be worth it for Blizzard to accommodate that. Either be good within these parameters, which are easy to verify, or you're trash.

Yes, but "equal footing" is what the player can do.  If they will have access to a keyboard and a mouse, and that is a better way to play, then they will use it.  Especially if it is meant to be competitive.

There is actually a good gaming story behind my own personal experience with this, haha.  A long time ago on local BBS systems there was a game called "Barren Realms Elite".  Each BBS was a "planet" within BRE and you and the team on your BBS fought in the same "galaxy" with the other BBSs.  In the early days of this game my brother and I devised a completely wacky and demented unconventional way of playing BRE.  Just four of us, my brother and I and two others on our BBS who were into doing our thing with us, could easily dominate the entire galaxy no matter how many enemy BBSs teamed up against us.  Even in a fresh start game, with the entire "galaxy" knowing in advance that it was them against us... the four of us would easily win  A BBS operator in our state got us into the "galaxy" of the international game run by the guy who made the game.  After watching us do our thing a couple times he arranged it and had told this guy that if he let us in, his BBS would take over his entire galaxy in less than a week.  So first we took over his entire galaxy in less than a week, then he and his enraged fanbase agreed to start over from the beginning.  The entire galaxy v us 4 little guys on the Colorado BBS with them knowing in advance that it was all of them against us... but not knowing that we had already done this to Colorado before, haha!  The entire galaxy gave up an "surrenders" (quite screaming their heads off about our "cheating" would be more accurate) over the first three days as they realized that it was already over after the first night and that we would easily win.  The designer of the game then banned the entire state of Colorado from his galaxy, which had been "contaminated" by the way Indra and I played BRE, and restarted his game again without anyone from "Contaminated Colorado" in his game, haha.  He agreed that we were not cheating, he just didn't like how we played his game.

That was my response to him and all of the upset people in his galaxy back then... "There is only one way to push a button."  Whatever can be done in a game is fair, and will be done.  And any plan to fight this through monitoring and banning seems like a tremendous waste of money to make up for an avoidable game design flaw.  They should now just be telling people that keyboard and mouse is an option, fighting it makes them look like incompetent idiots who don't realize that the players will do what they can do.  At least to my generation it does;-)

I'm starting to get the feeling that you either don't understand or don't care about the modern competitive scene. Either way, your input would be meaningless since you wouldn't be participating.

But if you're not participating, right now( and I don't really believe more than half of what you post.) why does your input matter? You aren't playing the game, so wtf cares?

Okay, your pretentiousness levels are too high, dude. 

No, you can't just say you're not being pretentious, it doesn't work like that.

I don't get it. If there's so much money in it, why no one can afford K+M?

If it's so casual, why Blizzard even bothers?