In a minor way the frozen ATPL kids do add to the overall problem, as do the "experienced guys who didnt make a stand" and the unions "who have no teeth and are just self serving until they can get management roles" etc etc as is reported on various thresd on here.
However all these seperate effects are a drop in the ocean. The major reason is that Employment law has been changed by the governments to allow the current set up. Money now absolutely rules any decision making. And people now sit very low on any company importance scale.
Its worse than that.. like a long term cancer case, the situation will only ever get worse. A nibble here a scam there. Not so much a race to the bottom. More a gentle glide to the bottom.
One across the board union and a shift of government to any parties that genuinely have people at the core of what they do is the only hope
Surely NAS arent as bad as the previous crop of locos?