@Crimson I've never seen the show before, but apparently it has aired on Adult Swim before (At least according to Wikipedia). Here's a quote:
Blue Gender Wikipedia Page wrote: In 2003, Blue Gender was released on American television as part of Cartoon Network's Adult Swim, though it had originally been planned for Toonami, and was thus edited to remove its graphic violence, nudity, and sex scenes
That being said, I don't doubt that it could get added to the line up again in the future. How censored was Deadman Wonderland (Didn't watch it)? If they did/didn't censor that then it will probably be the determining factor as to whether or not Blue Gender (should it return to Toonami) is censored. Also, wasn't there an uncensored episode of Tenchi Muyo that aired a while back (Can't remember)?
@Bellorosso I am content with the current block, however I will admit that I wouldn't mind seeing more shows on Toonami (Particularly sports anime) in the future. Unfortunately, I doubt that we'll see anything non-action anytime soon (if ever). The first reason being (as you stated) the way their lineup is formed. It feels like (as far as I can remember) Toonami's programming (past and present) involves shows that have some form of action (Hamtaro excluded (completely forgot this was on Toonami at some point)). I skimmed over the list of past shows, and true enough I couldn't find one show that didn't involve some form of action. The second reason involves this statement that I found on it's Wikipedia page:
Toonami Wikipedia Page wrote:Toonami is an animated programming block on Adult Swim geared toward action-oriented programming, primarily consisting of American cartoons and Japanese anime
The final reason would probably involve the safety factor. Which shows will cause the number of viewers for Cartoon Network to increase the most (Please note that I am unaware of how many viewers currently tune in for Toonami)? For the most part, it seems that they are choosing shows that will bring in a high volume of viewers for the network (or possibly basing their decisions on blu-ray disc/dvd sales). I wouldn't be surprised if other popular shows (maybe Hunter x Hunter, Fairy Tail or something) are added to the line up once other show(s) end their reign. One thing that I am hoping that this Toonami continues from the previous Toonami is Miyazaki month (Doesn't have to necessarily be a month). Actually, I wouldn't mind more movies in general so it doesn't necessarily have to be films that Miyazaki made/produced.