Welcome Holly!
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Sadly, many people are wary of anyone who is in any way different. It must be inbuilt to a degree, I think. The best thing is for more people to get to know 'different' people better. I think that this would lead to less bullying, teasing, hatred and violence.
I have talked about this recently with family, regarding different races & people with disabilities. When I was a child, and certainly generations before me, people with different racial traits or with certain 'disabilities' were not often seenm, for various reasons.
People tended to be either unused to being around 'different' people, or were wary or uncomfortable, etc.
With the younger generation, who are used to mixing with lots of different cultures and abilities, they become more blinded to, & accepting of, any differences ~ which is a very good thing, I think.
We are all human, so we are all the same; but we are all individuals, so we are all different.
