Thing of it is, the notion of Spider-Man being super popular is something I think a lot of people have trouble accepting. A lot of people are tricked into thinking that in the “hierarchy” of superheroes, characters like Superman and Batman are “above” Spidey so his success is always a surprise.
There's a weirdly high number of articles asking 'why did the new Spider-Man film make so much money?' that come to the conclusion of 'Spider-Man is a popular fictional character.'