Because people are always willing to sell their ico coins less than what's on the market, the selling power will always be greater than the buying power unless in rear circumstances.
Yess...
also that coin don't have value at all, maybe they get from airdrop. So they will sell it, they don't care the coin is good or not in the future.
The developer in the next must try make it like exclusive edition not like oxygen, everyone can get it for free.