[mallaidh]

And that's exactly why there is power in a union, to quote Joe Hill; it has the potential to turn the situation around.

[vsl]

Again: union in the company you left of your own will (did you RTFA?) won't help you. Union in the company that won't hire you due to informal pressure won't help you either, because you aren't a member or working at the company.

[bildung]

This is specific to the US I think. In many other countries unions organize workers across a whole industrial sector, not just inside one company.