Why does the crypto world seem to be infested with more than it's fair share of alt-right loons?
Money, politics, internet. All fertile and toxic ground.
People like that also tend to be louder than the non deranged. If one colonises an area more show up to feel like they belong somewhere.
I'm surprised discussion here isn't considerably more disgusting. Most here seem rather together. I think inherent optimism about the future of this little corner probably levels it out.