Difficulty of normal content.

[Alzinor]

bla bla bla

You are lvl 100.

Those raids are everything but hard.

Yes the mechanics combo is annoying but you can get rid of it.

You're a casual like you say, so no one forcing you to keep uptime, you can easily stop hitting for a couple second until mech resolve, there is no enrage in normal raid since titan in shb, wasting 4 or 5 or even 10 of your gcd will not make your team wipe.

Also you're lvl 100 like i said previously, you should know how to push your buttons and doing basic stuff, because that's exaclty what's required right there.

now stop complaining and see that as a training, a way to improve, stop being a whiny when you can't succeed to something, just step up, move forward and smile when victory is yours because congrats, the fight is over and you're now better than at your entrance.