At this point I simply don't think they can win, regardless of the system they'll implement. At least in the eye of some people.
There will always be someone complaining for something silly like this.
First, because no system is completely immune to exploits; second, because no matter how good the system will be, there will always be a gap between who's more or less popular.
Not everyone can be successful no matter what's the system, since customers don't have infinite budget.