It's probably good you got your side of the story out there, Ruben, but we'd really rather this wasn't carried out on our forums. I'm sure TPCI has some contact information -- probably an e-mail or something -- that someone can help you find, contesting this through a private outlet would definitely be the most appropriate way of trying to work with TPCI about whatever actually happened in that hotel. You're not going to change their minds by posting here; this is something that you should definitely discuss with them a little more professionally if you want to accomplish something. But I'll leave this here so you can at least have made your case to the community.
I'm not into public relations myself, but as someone who's right at the end of my Marketing 4-year degree, I think it's probably worth pointing out TPCI's side of this since it's related to a lot of what I've been taught. I don't know if I agree with their call on this one or not -- there's a ton of he-said she-said here, and I'm sure they have much more thorough information than I do about the situation from looking into it -- but I think you have to at least think about this from their perspective. The whole "all publicity is good publicity" cliche is normally true, but they're an organization building around a children's game and having something like this getting them in the news makes them look really bad, especially to the parents of kids they need buying their products, and weakens their brand. As such, they really need to be tough on incidents like this that reflect badly on their operations to make sure nothing like this happens again. It's not even like VGC is like TCG where card sales probably actually make the event profitable for them... our tournaments must absolutely be bleeding money for them, and the main benefit they get out of it is improving people's attitudes toward their brand and products, which is negated when stuff like this happens to turn people off of them. I'm not going to comment any more than that because I lack facts needed to make an intelligent decision, but if what the news outlets reported was true, I'd have DQed you, too. I hope for you sake that isn't what really happened and that you get this sorted out, because while I think this is some evidence that maybe it'd be good for you to grow up a little, you're maybe the best user of standard Pokemon in the world and Worlds will be weaker for not having you if you aren't allowed to attend.