You won't get an answer on how Spotifys algorithm works for the same reason you won't get an answer on how any big-tech firm algorithm works; it's a proparitary software solution that is core to their business.
Can they be gamed? Tricked? Absolutely. Researchers spend a lot of time and resources trying to figure out how these algorithms work, once you're able to make an educated guess you can try manipulating it. If researchers do it, I see no reason (some) state actors wouldn't.
You won't get an answer on how Spotifys algorithm works for the same reason you won't get an answer on how any big-tech firm algorithm works; it's a proparitary software solution that is core to their business.
Can they be gamed? Tricked? Absolutely. Researchers spend a lot of time and resources trying to figure out how these algorithms work, once you're able to make an educated guess you can try manipulating it. If researchers do it, I see no reason (some) state actors wouldn't.