Given the immense vitriol in the comments that from what I can see comes mostly from US folks, what kind of person does want this in the US? Where is the push f

Given the immense vitriol in the comments that from what I can see comes mostly from US folks, what kind of person does want this in the US? Where is the push for this coming from, given that it has to be rich people or otherwise politics wouldn't move an inch? The group that wants this must exist, or it wouldn't happen at all.