Probably a better list: https://github.com/maltfield/awesome-lemmy-instances

What don't you understand exactly?

I couldn't get into the expanse when I started it and put it off for months to years. Later I finally decided to give it another good try from the beginning after the praise it gets, and the praise is warranted. I felt like the detective subplot it starts with is a little ho hum, a mistake for new viewers.