Because cleanups would require very deep reaching changes.
Then you should develop your own cryptocoin with code that even a blind man could read. It sounds like you already have it figured out.
This is an experiment. Something like Bitcoin has never been done before. I don't recall getting any guarantee when I got my coins or sent transactions, do you?
This (and the rest of the mindless crap) has nothing to do with the matter. A guarantee or no guarantee doesn't make the lift eyelid insert fork person any less of an idiot.
Let's try and stick to the topic.