I don't get who is saying this dreaded "you'll be left behind." The only place I see that is from straight-up slop accounts in the Twitter algo feed. Surely you're not letting those people make you feel bad.

> You see a lot of accomplished, prominent developers claiming they are more productive without it.

You also see a lot of accomplished, prominent developers claiming they are more productive with it, so I don't know what this is supposed to prove. The inverse argument is just as easy to make and just as spurious.