Alot of people on youtube say they think Snow White is ugly I ask them why and they say only this "Because I hate her" just because you hate someone doesn't mean they're ugly but I guess some just might have better reasons but I've yet to meet one

No. :/
Some of them could be considered ugly. You can like someone and still think they're ugly.

I agree with that last part for example I like Quasimodo and he's ugly

Some people think so, sure. Not me personally.

yes.

I think how much one likes a princess may easily influence a beauty ranking. It doesn't really affect me that much though, because Snow White is my favorite princess but my 8th most beautiful.

There are a lot of people who do that on here, not saying any names though.

i don't like ariel and cinderella and i think they're ugly but i don't like aurora and i think she's beautiful...so, it's just an opinion

It's just that they don't say what makes them ugly

Sure, it's possible. I personally don't dislike Mulan even though I don't think she's pretty.

I've yet to meet someone who thought that one of the princesses were ugly that they didn't like

I think it depends. I don't like jasmine but I think she's pretty.

Sense can actually be made out of it. Once you find enough qualities in a person to hold against them, you pay no mind to how they physically look. Eventually, if you still dislike them, it's natural to begin making yourself find flaws in their outward appearance. However, if you're fond of someone, you're more likely to notice what about their appearance appeals to you.