Some have stringent conditions attached. Xh was with the environnement agency, equivalent to local govt. If hé does anything, even retired, to adversely affect their reputation he could lose his pension.
As a final salary scheme it was only équivalent to companies like Levers, Unilever, Ford, Cadbury etc.
The reason they've disappeared is twofold. One reason is that the triannual actuarial valuation was changed under eu law, making it more stringent and requiring much more financial input from employers.
The other is Gordon Brown, who raided all the private sector, and other schemes, when chancellor reducing their incomes by 25% at a stroke. He did this by removing the right to reclaim the ACT deducted by companies when paying dividends, from the insurance companies managing pensions funds.
ACT is advance corporation tax, so he stopped the pension funds grossing up their dividend income.
Why? Cos he's a wanker Imo. Not to mention fiscal drag, prudence, flogging off the gold reserves and all the other 'shite' he did.