I just don't see this as a Tariff situation. Couldn't they just sell them at the elevated price? B&H and Adorama did. If people want to pay they can. Also they still can't get Air 3S here and that was long before the Tariffs.
Something to keep in mind when buying a drone from another Country are restrictions placed on the drone that are country specific. Korea Ebay seller has drones that are Class 2 EU. Not sure what happens with that drone in the US.
My point was last time I spent $1000 for a controller then they released the Air 3 a month or so after the M3P and the Air 3 wouldn't work with my $1000 pro controller.