Jose wrote:
These two together (both of which are in fact true) do give the lie to
the word "compel" though.

that's how ID cards, rfid and/or biometric IDs/passports, etc.
are being snuck in pretty much everywhe hey, it's not compulsory,
but if you don't have one, you won't be allowed to fly, ride the
train, take the bus, drive, etc.

--Sylvain