Nope, Marx is probably even more relevant now than he was when he wrote. The distinction between owners and workers is an important one no matter how much the former might like to cosplay as the latter.
1. That doesn't say anything about mandates, specifically.
2. 46% is not a majority
3. Vaccine mandates consistently enjoy majority support of Canadians, no reason to assume it's any different among truckers.
Somebody that's self employed is both a worker and an owner. Your marxist speak is a non-sequitur.