Valve recently limited the amount of keys they will give any developer to 5000 base keys provided, literally 5 days ago. Developers can request more, but it's up to Valve if they want to provide them.
Well yeah, but if they don't they're kind of scumbags. He promised everyone keys back when that would have been allowed. They're basically breaking his promise for him if they don't make an exception, and an exception would be perfectly reasonable given the situation.