Earlier quoted context omitted.
Everyone's grumpy about our (USA) elections, which use a terrible voting system (winner takes all), and then cynically conclude that all democracy is bad news. Because people are stupid. And can't be trusted to do the right thing. Because reasons. How do you currently choose new hires? Decide to ship (go/no go)? Probably something like Roman Evaluation. How do you triage defects or choose features? Probably something…
The country I live in uses a proportional voting system - and what happens is that one of the smallest and most narrow special interests party gets to be the the point of equilibrium - as nobody can form government without it. And then that party proceeds to blackmail everybody all the time. Thus all the governments need to pander to this particular party and they get to gridlock the government whenever they feel the…
Of course they can, they just choose not to. What you are saying is that the parties are choosing a blackmailer over a self-declared "enemy". That's a choice, it's not inevitable.
Besides, if the political landscape is diverse enough, a minority coalition can be a boon for everyone: it means that the ruling parties must actually learn to cooperate with the opposition instead of dictating policy for the duration of their term.