> "Do X or you're fired" -- this is coercion by any reasonable definition.
Do X or you're fired is literally the basis for all employment.
> If you think it's easy to just "get another job", you are speaking from a position of immense economic privilege. It's tantamount to "let them eat cake".
Demand for labour is immense right now. I'm sure you've noticed. People are fired all the time for a number of reasons.
> Urbanites will regret their fickle treatment of the key workers who provide them with food and Amazon deliveries.
They won't, because the vast majority of truckers are vaccinated, working, and against this occupation.