I really don't understand the connection people make on that score either. Frankly, I think the whole superhero/comics on tv is so flooded with shows now people are not watching all of them as they air.
It is simply Darth Oliver occurs when there is the wig and the hood, as long as the hood does not come in contact with the hood he doesn't cross fully over to the dark side.
I am still open to the idea Eugene is far less the coward than he once was and he didn't want to leave because he has plans in motion leaving would derail.