"The market(capitalism) is going to do what the market(capitalism) does. "
And unions do, what unions do: try to negotiate better conditions for their members. Whether they provide a net benefit to society, is a different and I think very case specific question.
also, the market/capitalism doesn't do what capitalism does. Society functions in that construct because it is still beneficial for the majority of its population
Revolutions rarely happen over pure ideological reasons.
Usually, ideology is used as a means to an end for a given situation.
And unions do, what unions do: try to negotiate better conditions for their members. Whether they provide a net benefit to society, is a different and I think very case specific question.