Haven't read the next 4 pages yet, so I could be completely out of date here:

I have no problem with someone taking the NXT source code and building something useful on top of it/modifying it/memeing it/whatever.

I do have a big problem with someone who is prepared to blatantly copy an entire project, stealing the entire thing and changing only one letter in the name, in order to satisfy a personal vendetta.

If u ( beloved C-f-B) do get involved with nex in any way, u could find yourself in a lose/lose situation:

nex succeeds: FC takes all the credit and the cash, the potential crypto-freak market for NXT is reduced, slowing growth and diluting NXT's market share.

or

nex fails: u get the blame because of your evil sabotage of FCs project.

U gotta make yr own decisions, but I wouldn't touch this with a very long stick.....