If students can form associations, does it matter that much what the association is about?

We have laws to protect against hate and harming others. If you freely associate a group to spread hate, this should not be allowed. I disagree with the supreme court here in that they should not allow universities to suppress non-hateful groups. But then again, they want to openly discriminate against pretty much all minorities given their stances on existing supreme court precedence so it’s not surprising the court found the way it did.