As a matter of practicality, intelligent people do not believe in objective morality. Full stop.
Curmudgeonly complaint: Stop narrating your Youtube videos in slowly enunciated robot speak. It doesn't make you sound "professional" and it's not pleasant to listen to. Just sound like a normal human being, please. Looking at you, RealLifeLore and MindYourDecisions, to name two.
Curmudgeonly complaint: I dislike those videos of an artist creating a piece in a way that is intentionally difficult, like doing it blindfolded or with their feet. The result is impressive, but the process is so gimmicky.