What would a Kach (which is banned) majority in the Knesset be like?
What would a capital-L Libertarian majority in the US Congress be like?
Things would have to change so much for that to be on the table that it's a difficult question to answer. Maybe they've moderated in some way, but maybe the world has gone insane in ways that we can't fathom right now.
The Libertarian Party has radical anti-regulatory types and non-interventionist country club Republican types. The party even has a few libertarian leaning socialists.