Stop the tow-the-line,PC,apologist nonsense..!
Eh?
You CAN keep the show on the road, but it requires investment.
Now your getting it.
I understand that runways are a different matter, but once off the runway are you telling me that a slow moving airliner is going to be bothered by a bit of slush ?
No, but a static one full of fuel and load will be a bugger to shift off the gate.