No problem with that myself either. Its the moving of the goal posts and inconsistency in the application of the rules, i.e. OK for some and not others especially when fatigue is given as the reason for policy change.
Lets face it. The gaps between duties are generally big enough you can live where you like. If people are turning up to work eye balls hanging out with tiredness or missing sign on due to the vagaries of standby travel then howabout they punish the repeat offenders. Not upset the majority of professionals who, left to themselves, get it right year in year out.