I don't know why this is such a hot take.

Personally, I find it distracting when some devs start to "spice up" their presentation with manga characters, furry characters, memes, or whatever stuff they enjoy.

Shit, I love Zelda - but I wouldn't want Link all over my presentations. It just looks...juvenile and unprofessional. Doesn't mater if you're a beginner or world leading researcher, just keep it simple and undistracting.

EDIT: That said, I'm probably not the intended audience for this piece.