I think my only complaint with the ICO is that the values didn't seem to flex with the value of ETH. Since the start of the ICO, ETH went up $200+ but 1 ETH is still only 2500 Rentberry.
They can't adjust the price every time ethereum price changes.
If ethereum is 300 or 30.000$ they will still have the same fiat at the end and they will burn unsold tokens. So your share will be the same percentage of the available tokens.
They didn't make a fixed amount with ethereum, in this way they will always win, while investors will have to spend more during ICO, that wasn't a problem when eth didn't go up much, but now is volatile, it will change now, so you better have eth before they went up XD.