"Please don't post shallow dismissals, especially of other people's work. A good critical comment teaches us something."

"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.

What defines a "real problem" but that someone is willing to pay money for it?

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.