That is a very good question.
- What would it cost if I was to acquire the music in my library?
- What if I wanted to sail the seven seas instead? Where would I get the music from?
As for the algorithm, a lot of the suggestions for new music is probably also available to non-premium users (e.g. "Discover Weekly") and could be scraped/downloaded from the API.
I believe there could be a rise in demand for a solution to migrate away from these audio walled gardens, especially with the upcoming price hike.
For us, the topics just changed. After Covid, they started to talk Pro-Putin bullshit, probably Q-Anon related. It's honestly shocking to see people who I once thought of as intelligent turn brainwashed. We rarely talk anymore, and if we do, it's very superficial.