What Mr Walsh has done is expose the BASSA regime to the rigours of scrutiny by everyone else in the land - and those that matter in all of this, aside from the diehards, are not daft. The union leadership has failed to offer a coherent, (and costed, mores to the point), way forward. Hence imposition. Hence the judicial judgement from the High Court endorsing imposition. It's in black and white. It's blindingly obvious it had to be done.
As for CRM, no snags. You fail to contribute to the safe operation, in the 'appropriate way', you get offloaded. Simple.