This is what I never understood. The principle of respecting the autonomy of other cultures is good imo, but what “cultural contamination” could be worse than the total extinction of the civilization you’re trying to protect?
Applying the Prime Directive in such extreme circumstances turns it from an anti-imperialist ideal to a Social Darwinist one.
What I usually love about musicals is the variety of songs and subject matters, and with the exception of the Klingon song, the songs all felt the same.