I mean, probably against some rules to do that depending on the com your in, but it’s helpful to not have to delete and repost again if you make a mistake or find a better quality version

Interesting. I didn't realize you could do that.

Oh yes, you absolutely can sign boobs. Or so I am told. :-P

Yeah, that's how websites/apps improve by learning as they grow, and making some rules to prevent that, but also that's how sometimes apps/sites become useless by putting too many and too strict rules. (and we know a lot of them)