As long as he is using his own money for the legal challenge that all the best to him. If Mr Howes ever wants to make it into politics he should get a few lawyers on retainer as they will be quite busy. Imagine if the PM took the court everyone that said ill of her and how she conducts herself.
Dose of concrete is whats required here. Let the FWA sort out which union has the right to cover CAT A LICENSED engineers.