This take is for people that primarily listen to pop music (of any genre, pop rock, pop punk. Stuff that is on the radio). Which is a huge amount of people. But it is unsurprising that on a niche community-based website like Lemmy, where a lot of people probably have an artistic tinge to them, that a bunch of you have a much more involved and active music discovery experience.

“An awful lot” in this context is still relatively little, hence the very apt usage of the phrase “scratching the surface”.

More likely that monica is dumb. The photo labs are usually next to the electronics sections.