There should be an easier free way to transfer Spotify playlist to YT Music (and vice versa)
This is one of the reasons why premium users don't (more like can't) switch their music app
This lack of interoperability may not be good for consumers, but businesses have been utilising this "retention by complexity" strategy to keep the churn in control.
This retention by complexity approach, subtle yet effective, involves creating systems, services, or products that are so intricately embedded in the userās lifestyle or workflows that the thought of switching to an alternative feels overwhelmingly cumbersome
A few examples of business (apart from Spotify): https://talesofss.com/retention-by-complexity-how-brands-keep-you-hooked/