We know it, because you didn't do anything to avoid it.
Simple. Union Busting antics don't get any sympathy from me.
The facts are that the Midland guys are flying their routes on your aircraft for a sensible, professional pay rate. i.e. their own published payscales, not some knock down opportunistic cheapo rate dreamt up by a Spiv in Astraeus' broom cupboard office.
Good news!!
I, for one, am well pleased.