Curate, connect, and discover
thinking about aizawa who came up with his homeless man look purely for job reasons. i mean it's more likely for people at the middle of the night to not notice some hobo then the whole ass hero so aizawa usually has an advantage in a fight or info gathering.
and because UA teachers wear their hero costumes for classes aizawa looks how he looks.
and he and yamada find it hilarious when their students don't recognize them in public when they wearing their civilian clothes.
basically aizawa and yamada are in the different sides of spectrum called 'my students do not recognize me in public because of my hero persona'