Right, so you don't have actual knowledge, you're just speculating. As someone who worked in the industry, I would seriously question your claim about Sabre. I

Right, so you don't have actual knowledge, you're just speculating. As someone who worked in the industry, I would seriously question your claim about Sabre. In any event, note that ITA deals with global flights, so flights originating in the US are only a portion of what they need.