PBA: While I can’t disagree with you if you want to say all of those things because YCT isn’t frum, it’s still very hard to call their wine Stam Yeinum. Unless you want to claim that it’s not that they’re not frum, it’s just that they’re all Apikorsim. That’s also tough to say, especially about the Talmidim (though it’s very easy to say about certain members of the staff).
Midwesterner: It could have been grape juice or Mevushal.