Are there monarchists in the sense of "people who take *Leviathan* and other theories of government that necessitate monarchy seriously?" Unsure. But there are monarchists in the sense of "people who loudly insist they are monarchists, that kings are 'based', and that liberals are 'votecels'."
(I do not know if this person literally did this, nor do I care to find out. I know the genus, I don't need to interact with each individual of the species).