Do none of the 5.2m registered EU citizens want to drive a truck?
Not sure that a few hundred visas changes the available workforce much:
https://blog.ons.gov.uk/2021/07/02/are-there-really-6m-eu-citizens-living-in-the-uk/
2 publicly visible posts • joined 18 Feb 2020
This: "Second, it would mean pensioners pay more tax. That's not really a vote winner."
May well be a vote winner now that young working age people are more likely to be in poverty than pensioners, and don't have a house or any prospect of buying one. I reckon 10 years until increased tax on the oldies is seen as the right thing to do.