They want to jump in right away because they think they will be millionaires, like a the lucky IPO buyers on NXT did. Unfortunately, that was a one time thing, and is unlikely to ever be repeated.
Scams always target the greedy. If in doubt, watch the "3 card Monty" guys on Times Square.
I don't think that several BTC is much for the opportunity to get something worthwhile.
After all guys, why do you think that you are the only one who have brains here?
Where is the moderators? Could you please open a thread for those who try to be clever?