There is also the foreign policy based on threats and insults, increasing reports of hostile border experiences, reductions in non-tourist visas, US economic po

There is also the foreign policy based on threats and insults, increasing reports of hostile border experiences, reductions in non-tourist visas, US economic policy reducing consumer confidence globally leading to fewer people committing to inter-continental travel, and the fact that some people simply prefer not to visit countries whose domestic policies they disagree with.