No matter who does it, it's absolutely filthy to motivate people to work based on promises of retirement benefits and then try to take those away after the work

No matter who does it, it's absolutely filthy to motivate people to work based on promises of retirement benefits and then try to take those away after the work has been done. It's astounding that such a thing could be legal. One silver lining of the shift from defined benefits to defined contributions. At least you're putting in your own money and can expect it to be there when you retire.