No, it shows a profound absence of understanding with regard to politics.
In parliamentary systems, you get to vote for your faction and it forms a coalition with other factions in order to rule.
So even if (or in your case, when) you vote for some idiotic fringe, they retain only proportional influence, not rule.
In FpTP, you get two major parties via Divurger’s, and you vote for faction in the primaries but for the party in the general election.
The idea of “lesser evil” is based on the mistaken notion that a system that lets you cast a vote for an extremism is somehow good. Or, worse, that compromise is “evil”.
Didn’t I just link to https://truth-sandwich.com/2023/06/12/in-defense-of-the-inevitability-of-the-two-party-system/?