

It’s a celebration of European shared artistic culture, but also the diversity within that shared culture. It represents some important things, but it also doesn’t take itself too seriously.
I personally can’t stand watching it because the music tends to be shit (IMO) but I can understand it.
It’s rarely true.
You can aim to do something good, with a risk of something bad happening (e.g. as another poster said, rolling the dice on surgery to alleviate suffering at the risk of the patient dying)
…or you can do evil.
The “lesser of two evils” is just used as justification for something that can’t be morally justified otherwise.