For customs valuation, tariffs apply to used equipment the same way they apply to new equipment. The key factors are the country of origin, the item's value, and how you are bringing it into the country.
Noone is overreacting to anything.
If you do not have permission to fly literally at an airport you should not. If you do, you should be held accountable.
It does not matter if you in your example or the drone in the video had full control, that...
Opening and activating a drone would not bypass the tariffs. According to U.S. customs precedent, the tariff classification is based on the article "in the condition in which it is imported". Opening the box does not change the essential nature...