Smart Playlists not synching between iTunes on my PC and Apple Music on my Android phone

As I mentioned in my original post, I did try deleting and recreating one of my Smart Playlists. In fact, I watched on my Android phone as the list disappeared from the Apple Music app and then reappeared when I recreated the list. The criteria were very simple: "Artist contains Sabaton" and "Rating in the range of 3 stars to 5"(and yes, there are several tracks in that range in my library). These songs appear in the Smart Playlist in my iTunes app on my Windows laptop, and they appear in my Library in the Apple Music app on my Android phone. But the playlist is empty in the Apple Music app. Most if not all of these songs are ones that I purchased in the iTunes store. It's not just this artist, and in some Smart Playlists on the Apple Music app the track list isn't empty but it's incomplete. There appears to be no consistency in the iCloud Status of the missing vs visible songs in the Smart Playlists, whether they're Purchased, Matched or Uploaded. If I take all of the songs from the example Smart Playlist I mentioned above and add them to a new static Playlist, then pull THAT list up in Apple Music, all the tracks are there. None of my static Playlists appear to be missing tracks.