I can't imagine how much additional bandwith the wallet-spamming is using up. (Isn't that bad for the system overall?) But I suppose there isn't a way around it. I'm wondering about the service though. If the follower list is worth something, shouldn't the advertisement for the service just be posted instead? I don't remember seeing services like rando needing wallet campaigns to let people know of any change in their setup/what they are about.