Apple also rolled out a really good seaparate app specifically for browsing and listening to classical music.
Classical music doesn't organize easily into "bands/albums" the way most works from the last 80 years do. Most music players tend to fall apart when you try to organize a library of classical music in any coherent manner. So they solved this problem by desiging a completely separate UI for it.
I've actually had zero issues with tidal since I switched a couple of months ago, it pays artists better and I think it has more artists on it. I don't use the mobile app much though if that's what's buggy, I mainly use the desktop app (on Linux) and occasionally the Plex integration to listen from my tv