There are two major flaws in your argument. First, that magic is real.
And second, to the extent that magic is real, that alcohol is a solvent that dissolves said magic. There is no point debating the first,
but the second warrants further explanation.
What evidence is there that alcohol erodes magic? One could just as easily say that baseball caps erode magic, and no one should be allowed to wear baseball caps in the park. There is just as much evidence of that as there is that the beer and wine being served in BoG is chipping away at whatever magic may exist in the Magic Kingdom. If you can show that
Disneyland and/or Disneyland Paris are materially less "magical" than the Magic Kingdom, then your position might gather some steam. But for page after page now, all you do is declare through contradiction that alcohol destroys magic without a sliver of proof or support. Apply some logic to test your hypothesis. If alcohol destroys magic, and alcohol is served in Animal Kingdom and Disneyland Paris, than
ipso facto, neither Animal Kingdom nor Disneyland Paris can be magical. It just doesn't work. Further, if alcohol destroys magic and alcohol is served in Be Our Guest, then the Magic Kingdom is decidedly less magical than it was three years ago. For your argument to be true, both of the preceding statements must be true. But where is the proof of either?