Comment by daveoc64

> However I agree that in purely domestic airports I don't see how you'd prevent general public from accessing bags.

I don't understand this.

Why can't they have a door after the baggage claim that does not permit entry to the baggage claim area?

That's how things work in the UK.

In my local airport, the final part of leaving the arrivals area is the same for both international and domestic flights.

Passport control > Baggage claim (international) > Customs > One-way exit to landside

Baggage claim (domestic) > One-way exit to landside