"Don't be curmudgeonly. Thoughtful criticism is fine, but please don't be rigidly or generically negative."

"Don't be snarky."

https://news.ycombinator.com/newsguidelines.html

There's plenty of room for thoughtful criticism and skepticism in HN threads, including the present one, but please don't post like this.

Who decides what the "real problems" are?

Imo most of the economy and wealth creation is around activity that is not solving a "real problem", but who am I to say if someone else is willing to pay for it? Presumably, for said person, the problem is "real" enough.