It is. In my personal experience:
- On Mac, Apple Music will just consistently stop playing audio. Force quitting & restarting fixes it.
- On iOS, the app is prone to crashing more than any iOS app I've seen. It's not horrible (I very rarely see crashing period), but it's far more than 3rd party apps or even Apple's own set.
- On iOS and on a weak connection, Music will not play even if it is downloaded. I suspect it has something to do with DRM servers, but don't know for sure.
- I once changed my iCloud password on my account, and it sent the Apple Music app into an infinite loop of trying to reload content, instead of just prompting for my password again.
- Load times are horrendous for online content, even on fiber connections.
- I don't have many complaints about discoverability, but it's certainly nowhere near Spotify's recommendation engine. Spotify's weekly-updated new music playlist is way more relevant to me than Apple Music's version (New Music Mix).
But...
- I think way more people can tell the difference between Spotify's audio quality and Apple Music's Lossless/Atmos. I sure could, and it was obvious.