Also totally ignored by most sci-fi stories is that it's impossible to travel long distances at high speeds without also travelling forward in time. And the time travel is one way so you can never get back to the time period from which you started.
Likwise HIV tests.
They can only tell if someone was negative at the time the test was taken, not if they've become infected or infected someone else since then.
Or even in public areas which is why the Mayor of Eindhoven has banned PSV from playing behind closed doors.
Indeed, the staff at Morrison's were telling me where to stand while ignoring distancing themselves.
I don't have an online account, I don't trust them.
According to the tracking data they reached the UK in good time then simply 'disappeared' from the system.