I am an Elf and run two sims and a store of my own and I am also a guard on two other sims. Most people we have ever had to ban have been human avatars, in fact I would go so far as to say that 95% of those who incur a ban are human avatars. But, we do not ban humans! Just because one or two of an avatar type may do something wrong does not mean they all need to be banned. Judge the individual, not the whole 'type'.
So many human sims and clubs allow only humans and expect Elves to remove their pointed ears and Fairies to remove their wings etc before entering. We don't do that so we leave, having done nothing wrong except not be conventionally human. It is annoying as we do nothing wrong yet are made to feel unwelcome, no matter how beautiful our avatars are or how impeccable our behaviour is. We can be welcomed yes, but only if we remove our fantasy avatar body parts!
But, it is human sims loss!