It depends a lot on the country. Pretty sure most/all have more than 2 viable parties. Still sucks because usually you can only vote for one party so it still leads to strategic voting. And ou might be able to prefer certain candidates from the party, in which case it might or might not be broken in other ways.
Oh and Switzerland has 7 presidents (effectively). No kings, no dictators.
In US not only parties themselves don't vote but the people don't elect parties either. For example, we just had the most money spent in history on a primary (this is an election among multiple candidates in the same party), where some interest groups spent 25M+ to unseat a popular GOP representative in favor of another GOP candidate. If the choice was just between two parties nobody would have spent a dime to change one GOP rep for another GOP rep.
Oh and Switzerland has 7 presidents (effectively). No kings, no dictators.