unions.... a bit like communism. Sounds good, but does not really work in the long run.
Good pay for shitty workers., Give the good post to the guy/girl with more seniority, not the person who is better. Choke the company if you don't get what you want.
Get an education, work hard, be honest, you wont' need a union. You'll do fine.
If a company mistreats you, screw them. Quit. Find one that treats you well.
If a company does not pay you well enough, Quit. Find...