I'd like to point out that what Okarun and the others did was just... defend themselves

Ken Even points it out, they were the first to attack him personally

So, a lot of folks have been discussing how the Suit lady's kind of really evil regardless of sad backstory because they participated on genocide and conquest for close to a century and that's not very redeemable on their part.

But there is ANOTHER thing about them that pissed me of a lot about her "Now Imma go avenge on a kid" plan, and that is, people aren't just going to sit around and let their entire planet get subjugated by invaders!. It's normal that they found oposition, and eventually something was going to go wrong! "You ruined my life! :(" Motherfucker did they any other options? NO.