I think I get Sansar. I made an account when it opened and hadn't been back until a few days ago. I've always loved exploring and creating places in second life, and I think people like myself also enjoy doing that in Sansar. Having 3 or 5 worlds to go crazy with (I'm not sure what I'm entitled to) is kind of great. I know quite a few people from sl who seem to be there often and they've helped me with the steep learning curve.
People who've mentioned the trouble with the avatars are right. But the lighting is incredible, it's a beautiful place. It's challenging, much like sl was for me in the beginning, but I like it.
I wonder if LL has considered incentivizing some sl content makers to add their stuff to the Sansar marketplace. That place needs nice content!
Edit to add, I don't use a VR headset either. Don't like 'em.