The manosphere doesn’t create these pressures – it finds genuine unmet needs and exploits them for profit and views. Often girls, women and other minority groups are at the receiving end of that harm, as well as the boys and men themselves.
Before TikTok/Internet, there was TV. Before TV was print media (newspapers, magazines).
Ad from 1932

This has been going on (for everyone) a lot longer than TikTok. That said, I don't think it's healthy. Also with print media, you saw it once or twice in a magazine; you didn't have an algorithm feeding you a stream of content either.
Edit: female ad, same era:
