More often than not, they're union executive talks them into it. They go along because they don't want to comprimise they're barganing position by looking weak. Mc Guinty did them a favour by legislating them back to work. Now they have to allow an arbitrator to come up with a solution.
I'm guessing money (hourly rate ) had little to do with this dispute. I think it's more about schedules and working conditions which go hand in hand