So the IPO was ended after 27 days? And people had to pay more and more and more during that time? Nxt's IPO was 61 days long and everyone paid only 2 Satoshi for 1 Nxt on day 1 and also on day 61. So Nxt is still 6000x more fair than NEM

I would say, NEM IPO is more fair compare with NXT since NXT only around 70 investors and NEM is around 4000.
This is not fault of Nxt. Nxt IPO was open for 61 days. It's not Nxt fault that people were more skeptical and didn't want to join. Looking back, most here would love to go back in time and join Nxt. The reason why Nem got so much interest this time around is because of success of Nxt.