Extreme politicians having more leverage, in situations where the lead of the majoritiy party is very thin, is actually very common in most democracies.

The specific stupidity of the American democracy is the „winner takes it all“ rule which leads to a two party system.

Yes, that package manager will surely be the best one and not just be another one in the zoo.

Most of those „rip offs“ are just pretty basic chord progressions that are quite common.

The rest i would maybe call „inspired by“ instead of rip offs.

Nirvanas songs are often simple and repetitive (not a bad thing!) and that leads to many possibilities for finding parts of songs from other bands that sound similar.

Their texts however struck a nerve during their time. That’s why they became a phenomenon.

Like every work of art, it’s full of politics:

• an equal-rights relationship, where both parents take responsibility for their children and housework
• children who are accepted like they are
• inclusive schools/kindergartens
• themes that touch on preserving nature, helping the disadvantaged and more

No wonder it triggers right-wingers.