If attacking the NXT chain is really so unfathomably easy as is stated by some dudes, then they should just go ahead and make it big. Cash out some millions of NXT and crash the system right after. Because, why not?
Nothing's at stake, amirite?
Feel free to come at us...

Honestly, it seems to be nothing more than childish disregard of a promising technology (no offence to XCPers in general, just the FUDdy PoW acolytes)