Exactly my feelings.

Quick Google will find it. Basically there was a texture in the prologue Lumiere section that was GenAI. They replaced it post launch. I haven't seen any other examples of GenAI in E33. Seems like a minor thing to me and the devs worked to fix it so I'm willing to give it a pass unless there is more

You're gonna finish arc 1 before the month is out. Edgedancer is a fun short one but Oathbringer is probably my favorite of the 5.

Fair. I couldn't put em down either. Well enjoy it. And avoid the Coppermind wiki. Full of spoilers now.

Nice. If possible, I would recommend reading the first 3 Mistborn books before finishing Stormlight Arc 1.