IME it’s because of the playlist sharing and the ability to collaboratively queue music (a ‘jam’). AFAIK none of the other streaming providers have that. They may be fine for single users, but (for example) you can’t put up bandcamp on a dorm smart tv and have people queue up the music they want to listen too.

That’s what gives spotify an edge over everything else, the social aspect of it’s platform. OFC I only know that bandcamp and tidal don’t have those functions, not sure about the other ones.