if the lock up period of the tokens have reached, the team will do what they think is best for the community and the project, if what is stated on the whitepaper is been followed then i think their is no issue with that but if not, then i think they have a case to answer to the community, also i think this is the wrong time for the team to sell their tokens massively, considering the bear market, they should have considered the community interest and sold the one that won't make the market price to dump.
There you have the first whitepaper and you will see that it does not mention anything of appropriating the unsold tokens.
https://drive.google.com/file/d/0BxFqoCUOdNTgWk5vSm9UQVotblk/viewHowever, in the second whitepaper that was updated last month, it already indicates that after 6 months they take 25% for the face and in truth it has been 52%...
https://drive.google.com/file/d/0B7XC9TPzyTmOd0pqQ3hRLUM0UzQ/viewThere are other cryptos that have burned the unsold tokens... but Dent is smarter and prefers to manipulate the market to swindle the investors.