Important detail that you left off from your post: have you used Spotify?
If yes, then you are correct, you're the odd man out. Everyone else who used Spotify previously thinks it's better.
If no, then you belong to the group that concerns me. You're like someone who used IE 6 when Firefox was available, because it was convenient and you'd never had a good internet browsing experience so you just assumed that the bugs were an inherent part of browsing the web. Or you're like someone who uses Windows - you assume the crap that Windows gives you is an inherent part of using a computer.
Your group concerns me because if Apple Music is preloaded with OS X and iOS, people who have never used Spotify might mistake it for the greatest music service ever, and so the actual greatest music service ever might have to shut down.
I have a solid amount of music in my iTunes library that's not available on Apple Music, Spotify, Rdio, or Tidal. In my opinion, Apple Music does the best job at providing a seamless experience between my music library and the streaming library and allowing me to manage and download for offline use. Spotify does have a local file option but it botched up the file import so bad it ended up putting single albums into multiple albums and multiple artist names. It rewrites the tags for every local import to match it's own tags. Rdio has no such feature. I'm not sure about Tidal but frankly their apps are so basic I can't imagine it doing what I wanted. The best case scenario with Spotify or Rdio is I have to use two apps to play my music. With Apple Music, I use one and it's all consolidated in one list.