Spotify has financial incentive to obfuscate their UI to tilt people toward mindlessly consuming playlists. This is because labels pay Spotify to put certain songs on large playlists, and Spotify knows playlists are a good habit to push onto their users. Radio was used to discover new music decades ago, but paying a radio station (directly) to play a song is illegal (payola), so DJs had to break new songs, styles, an…
I'm an older Zoomer and this was never the case for radio in my lifetime [1]. I heard "college radio stations" being a bastion of this but I've never listened to one myself.
One of the earliest internet services I remember loving was Pandora because it recommended me artists I never heard on the radio and was the start of my love of music.
[1] I'm guessing it was related to all radio stations being owned by the same companies.