When politicians and leaders flirt with conspiracy theories for political gain without suffering political consequences, it shifts the window of acceptable ideas to more extreme positions.
Humans form in-groups on the thinnest of pretexts - it's better to acknowledge the communities we're in than to delude ourselves in thinking we are 'post-tribal'
It's easy to argue that society is progressing, but when we replace overt oppression with covert oppression, is it reasonable to really count that as progress?