2) If a large percentage of employers act like that (and they do) they influence the entire job market.
If you don't care that everyone in the union will hate you and your ability to do work will also be reduced, feel free to scab.
If you want work to go smoothly with the union members, you should be in the union
Any union that adopts such a spirit will have a culture toxic to my character. I want work to go smoothly, unconditionally. Any culture that requires conformity is a bad one, and I dare further say: a cult.
If a manager makes work bad, I will change jobs. If a union makes work bad, I will scab or change jobs. Regardless, I will do my best to deprive my value from whomever makes my productive hours less enjoyable.
"It would be a shame if your life were harder if you didn't pay protection money, god forbid"
Hey if that's the game that is being played, you can't complain when people who disagree with this strategy actively work to sabotage you, through a variety of different methods (such as voting for right to work laws, or doing other things).
There are a lot of way to sabotage and cause harm just as much as the pro union people might cause harm to those who do not wish to join.