It is good that you bring this bit I do not think they have any bad motives from waking up from their sleep. If anyone notice anything suspicious about the accounts, they can be tagged. But I guess some people may still go ahead to give them neutral trust bias they have just woken up since a long period of time.
If you read the campaign rules, you will noticed that no one can cheat. I talking about this:
We only consider to add new domains when they're older than 6 months.
Or do you think people would not have known such domain exist before 6 months?
When I read the campaign rules, I noticed anyone may not get any reward.