Aw , they are that rich ?
I mean they are back to work or they got the hacker who hacked them last time ? or simply allowing people to withraw their money that they didn't lost during the hack .
~ Madness
I think it has more to do with possible criminal prosecution they could inflict upon themselves if they refuse or delay to return the fiat and their clients start off suing them (and they won't be able to get off lightly in the case of USD or CNY). Nxt, on the contrary, is not worth withholding (or stealing if you please), since bter, to my knowledge, is deeply connected with the developers of this coin, since stealing it would turn it into trash.