If it were just for "burst posting", a concept that I'm a little on the fence about as far as condemning, I would say that Lauda was being a little overzealous with the neg. But if you were abusing a sig campaign, that's another matter. That sort of shit, combined with shitposting, does not go over well on this forum and as you can plainly see, it can earn you a big, shining red mark.
Nothing much you can do about the trust system. All of this stuff keeps getting brought up in dozens of threads, but it doesn't look like anything is going to change. And Lauda is most likely right in handing you the neg, though I don't have time to research this.
I don't know why, but I have noticed a pattern which I'm not going to publicly elaborate as I may lose my advantage in combating it. There seems to be an influx of one-liner/short-posting & post-bursting in an attempt to get 1 maximum payout from Bitmixer before the account is permanently blacklisted and/or neg. rated.
Oh yeah, I totally understand. I trust your judgement with respect to spammers & shitposters and respect what you're trying to do with blacklisting them. Smooch.