How do I make it so that I only see the highest liked reviews? I tried clicking the sorting by likes but it still puts some 0 liked reviews over ones with a 100.
Those are for newer reviews, I think. It's so that people see the new reviews as well, and doesn't leave them there forever. I don't know of any way to change that.
Check if there is a 'new' tag next to the 0 star reviews, I think it biases towards showing the latest reviews first?
That is intentional, new reviews stay on top for 30 days even if you sort by likes. Just go past them and all reviews after new will be sorted by likes. The purpose is so that new reviews get exposure and likes otherwise they would be all thrown to the back while old reviews that are not up to date(many read less than 10 chapters) would dominate the likes.