data do not support your partisan talking points. Many scholarly articles published over the last few years on the topic. I suggest you do some reading.
All unions are worthless because of 3 anecdotes. Uh oh, better hope I don't find 4 anecdotes of corporate exploitation resolved by collective bargaining! Then you're really in trouble !
No, there is no "left" equivalent to the right-wing media sphere. You can confirm this via ratings, market analyses, and academic work. Why you chose not to, well, I'll let you sort that part out.