Obviously any top list is subjective, but what I think we have here is an aggregate of readers on a forum who are trying to impress each other. A circle jerk.
These books are great, but they are pretty standard canon. And the bible? No other religious text?
It's fun to compare it with the Goodreads top literary 100, for sure a lot of overlap, but some interesting deviations and substitutions.
https://www.goodreads.com/list/show/13086.Goodreads_Top_100_...
And even more fun to compare it to their top rated of all.
https://www.goodreads.com/list/show/153860
I guess it shows how you rate things if you don't think anyone is looking or judging you.