The Saudi regime isn't the best and you mention intolerant bigotry. Facebook, YouTube, in fact the majority of social media is a cess pit of hatred, racial, sexual, right and left wing the lot. It allows child porn to remain uploaded, the police in all countries are powerless to act against the companies and cannot remove content themselves.
They have to hope the host eventually takes it down.
They are all American owned and have made their founders very very wealthy. Nobody seems to mind that and if they do, tough because you can't do anything about it. The white, decomocratic west at its best, ignoring all our issues whilst telling everyone else how to behave