Could the Winter Bash be added to the Area 51 site in the future or is too different from other Stack sites. I know you can up/down vote, posts answers and comments like the other sites.
I remember considering this when I was doing the master opt in/out tracker and debating this.
There's really two big reasons I left Area 51 out of this:
I'm going to status-declined this -- it's a great request, but I thought long and hard about whether or not we should have hats there.