I don't think it's entirely due to US politics. The strength of the dollar against the pound, the perception of the US as not being a fashionable place to go, the fact that most news about the US in the UK media is either war, Epstein, or ICE, measured against some very competitive offers for other destinations that don't have those problems, makes me believe it's certainly a high percentage. FWIW in my teams (approx. 100 people, all in the UK) I can only think of one person who travelled to the US in the last year, and that was a trip to Disney they'd had booked in for a while. The rest have all been going to southern Europe, Japan etc.