Most countries have FPTP but manage to have many parties in their parliaments/congress/diet. And I don’t think the US is any more disinterested than most countries.
The main difference is the US has an insane amount of money at the top level, to the extent that it’s basically impossible to participate in national level politics without both (a) a few billionaires backing you, and (b) the rest of the billionaires not objecting too hard.
Most countries have FPTP but manage to have many parties in their parliaments/congress/diet. And I don’t think the US is any more disinterested than most countries.
The main difference is the US has an insane amount of money at the top level, to the extent that it’s basically impossible to participate in national level politics without both (a) a few billionaires backing you, and (b) the rest of the billionaires not objecting too hard.