Yes, this is how science works - you make a claim and show proof.

This is NOT how developing an idea works though, and this subreddit exists in part to help develop ideas. Developing an idea requires entertaining ideas that are not fully formed, and yes this includes some ideas that may seem stupid or wrong.

> Advertising low quality blogposts and services, etc, and asking stupid questions.

This isn't a terribly helpful or constructive way of improving this subreddit.

It is reasonable to criticize the quality of posts (constructively), but for example asking people to stop asking "stupid questions" is not helpful and has a chilling effect on discussions. Newbs and even experienced ML people will sit on their hands when they might actually have something to contribute.