This makes basically no sense. Unless you are going to admit that you fucked up and peter principled the employee, "raising the bar" for them is silly.
This would be the equivalent for a pro baseball team laying off their entire roster because nobody on the team showed the growth that those in the feeder teams showed. A bold bet, to be sure. Not one that is likely to keep a winning team.
That is to say, if you have people that you promoted up the ranks to high level contributor, and then find that you can't use them, that is on you. And shows a sad state of management.
This would be the equivalent for a pro baseball team laying off their entire roster because nobody on the team showed the growth that those in the feeder teams showed. A bold bet, to be sure. Not one that is likely to keep a winning team.
That is to say, if you have people that you promoted up the ranks to high level contributor, and then find that you can't use them, that is on you. And shows a sad state of management.