Hopefully they just do a we hear you and going forward these are the changes we are going to make: limit 1 for the first day(s), open it up to all countries that lego proper already ships to, not just the current 30, as that also seems to be a major complaint in the comments, and increasing it to 10K units per set as you are asking for 10K supporters but only making 5K sets. The castle wasn’t really that hard to get in comparison to other products if you weren’t sleeping.
I think anyone preselling this now on eBay is foolish. And for all the people complaining about what they are “going for” on eBay I don’t see one sold listing as of yet.
All of mine are processing none in warehouse.