My posture is shit and I tested the leaning back and breathing thing and it did feel pretty good. But yeah, nothing wrong with drawing some inspiration within reason.
Example being Jordan Peterson. Cleaning your room if you can muster the will isn’t a bad thing. That doesn’t mean pronouns are a Neomarxist plot to control language or that you should only eat meat and get hooked on benzos.
Don’t let their perceived expertise in one subject cloud your judgment over other subjects where they haven’t the scantest idea what they’re talking about. That said, it would be nice if everyone was forced to take a media literacy course or three in schools.