He's not gonna run it by his own obviously, he'll share the coins with new investors, there's always people around ready to grab on an opportunity. Give it enough developers and it's gonna be a success.
The Lisk team keeps the ICO money, the new people get their product and new coins, the only ones that get screwed over are Lisk holders.
We can name is LiskA ( Lisk Apps ). It's gonna be great!