if you are lucky you are going to spend the majority of your life being older than 20 so you should probably make peace with the idea that other decades might actually be worth enjoying too
Basically any institution you are part of in your life, be it social or professional, will actively punish you for having moral clarity or epistemic honesty, but it is deeply important you maintain them regardless.
The Iron Giant (1999) flopped theatrically even though critics loved it. Brad Bird has said WB knew it was great but simply didn’t know how to sell it. The movie survived because kids kept discovering it on TV, then showing it to other kids.