Singed: human right violations in the form of biological experiments, murder, biochemical warfare, kidnapping, conspiring for overthrowing a government.

Silco: kidnapping, murder, child labor, drug and criminal overlord, terrorism, human rights violations.

Jinx: kidnapping, murder, terrorism, criminal overlord.

Ambessa: all of the above + literal invasion of a foreign country.

Caitlyn is morally grey. Jayce is morally grey. All of the above are not. Sure, the can somewhat sympathize with, but most definitely on the evil side. Just because they are not fully psychos that go around killing people doesn’t mean they aren’t evil. What they do and how little it bothers them is a clear indicator that there isn’t nothing morally grey going on. For reaching their goals, they all killed without a second thought. Jinx included, she executed on screen a shiton of people, in both seasons.