I don't know. What does fully optimized mean to you? Do you expect people to only show up as the most optimal class for that tier and most optimal race for that class? Because those are going to do a hell of a lot more for your raid than covenant active abilities. And yes, I would consider it a pretty shitty attitude to have if, again, you aren't in that very specific level of competition that warrants that amount of consideration. But that level of optimization is very clearly NOT "normal" It isn't an issue of """super-casual""", that is a level that is not even common amongst most guilds doing mythic.
I don't think people are shitty for being optimized. I think a lot of ""competitive"" people are shitty for exactly the reason you stated. They attempt to force a specific way of playing and shun any alternative, even when the difference between the two playstyles is completely negligible. I'm curious how you can claim it's everything wrong with the game and then still believe that people who stop having fun because someone in their group chose a 2% less effective covenant (which is 2% more effective in some other situation) is not being a shitty person.It's xenophobic and narrow minded to call someone "shitty" because they don't play the same way you think they should. It's everything that's wrong with this game.