> Maybe for pickups above some weight drivers should have to have a commercial driver's license, the one you need to drive a real truck.

Like the rest of the world?

Australia car license limit: 4500kg for C (Car) class [0]

New Zealand Car license limit: 6000kg for Class 1 (Car) [1]

United Kingdom car license limit: 3500kg or 8250kg for class B [2]

France limit: 4250kg towing for class B [3]

Cavet: the above weights can be a vehicle or a combination vehicle weight depending on a bunch or intricate rules.

[0] https://www.transport.wa.gov.au/licensing/vehicle-classes.as...

[1] https://www.nzta.govt.nz/driver-licences/getting-a-licence/l...

[2] https://www.gov.uk/driving-licence-categories

[3] https://www.service-public.fr/particuliers/vosdroits/F2845?l...