They range does seem to meet up at the back, where the elite wish to use their power over everyone to do as they say no matter how extreme. It's just what they insist on that differs. But both want total obedience. Actually that may be the same throughout the spectrum, it's just how much the elite feel confident to inflict.
Politics make for strange bedfellows. The "enemy" of one's "enemy" is regarded as a sort of "friend" for now, as and when it suits. Differing ideologies can still both campaign & vote against some sane democratic suggestion, provided one ever gets made.