Idk, but the killer threat idea is too much I'll give you that.

Maybe he's just shy is possible. However, going out his way to actively censor his face whenever he's in screen/ actively be low profile as possible just scream maybe there's more to it .
Mate, everyone knows what Oda looks like.
He's just nit comfortabke with having pics of him be everywhere.

There's actually artists that just want to be artists and no celebrities.