I guess people are listening to vinyl for different reasons. For me, it's not about the superior music quality of running it end-to-end analog. For me it's the ritual that I really like. Putting on this clunky record, clean it and listen to the album song by song, as the artist intended it to be listened to.
There is nothing to worry about. We've had lossless conversion between analog and digital audio for decades thanks to Shannon-Nyquist: https://www.youtube.com/watch?v=cIQ9IXSUzuM