This is the one case where management is right, they had to drag my (FAANG) org kicking and screaming into the AI future and it was worth it. We are moving 3-10x faster (team dependent).
Now the engineers I know that had the same skeptical tone as OP are the ones singing its praises and doing cool shit with it.
From what little you're saying, you guys might be more productive now and writing better code, finally decently documented, or you just hopped onboard a speeding slop train, or something to be defined in between. Hard to tell which.