It's not because of the waves campaign, it's because of that other "pay to keep the thread on top" thing that you participated in. Theymos gave all of those people bans, and rightly so. That's the worst type of shitposting incentive I've ever seen here, much worse than typical sig campaigns.
Most campaigns until yesterday had rules of posting in the main thread at least once a week or similar. It seems the mod has locked all threads until the rules were remade to avoid this.
I'm actually surprised it went on for so long though.