Slightly different scenario on my side -- I want to use it, but the timeline has gotten so limited it doesn't draw me in as much. (No, i'm not on blocked lists. But strange things happen, e.g., Facebook has decided that despite my brother and I being friends and being marked "close" and not blocking each other, we dont see many of each others' posts.)

I'll confess I actually like using Facebook because it allows me to keep engaged and in touch with family with much less effort than before -- but whatever timeline changes they keep doing, I now see the same stories on my scroll. If I log in five times during the day, i see the same set of stories each of the five times.

Result: I don't check it as much, dont want to check it as much. So much for ranking functions.