Since those employees belong to a union because they chose to, I don’t see why the government should stick their nose in and stop a deduction from their paycheck.
I have never belonged to a union, but health benefits and other services are set up to be deducted. Why should this be treated differently? If it were compulsory, that would be one thing, but that is not the case.
Employers shouldn’t be required to act as dues collectors for organized labor, period.
Also, surprised that anyone on this forum would consider union membership as a ‘benefit’ akin to healthcare.