As human beings we tend to automatically choose to hate or dislike things that we don't have a true understanding of yet. Whether it is because the things we don't understand leave us feeling threatened or confused, no one will truly ever know but this is a practice that we can stop, if we just put our minds to it. Passing judgment on something before we ever have a chance to understand it can be extremely harmful to us in the long run, whether the judgment we pass be positive, or whether it be negative.
Before you fall in love with the new guy you just met, or determine that you can't stand the new girl in class, make sure that you get to know who they really are first. Don't judge a book by its cover, read its contents first before you decide if it's for you or if it isn't.