It might superficially appear ironic because us in the west confuse being a democracy with being moderate. But that's not the case if a large fraction of your population are religious fundamentalists, which goes to my point. In Israel, the problem isn't just the government, it's also the culture of the majority of the population.
It's non-negligible, but the reasons ultra-right parties like Otzma Yehudit [0] have a voice in politics has more to do with election calculus by Netanyahu.
The ideal 2+ party parliamentary system seems to be >2 but <6.
Below that, you get bad outcomes (US). Above that, you get bad outcomes (Israel, India).
Somewhere in the middle, it forces the right amount of coerced cooperation... most of the time (Germany).
You mean < 50% (strictly less than 50%) right? Otherwise the opposition would form a government