LLMs are as good as the inputs a person gives them.

Right now the scene is very polarized. You have the "AI is a failure, you can build anything serious, this bubble is going to pop any day now" camp, and the "AI has revolutionized my workflow, I am now 10x more productive" camp.

I mean these types of posts blow up here every. single. day.

It's neither useless nor it's 10x. It's a solid 1.2x - 1.8x.