If I had the energy I'd point out that police pensions are in part an incentive to join a job for which there is no union, and you are therefore repeatedly sodomised from every direction by your own employers.
This includes working hours to punishing they would be illegal in most other professions, receiving screaming abuse discipline from your seniors which in almost any other profession would end in an employment tribunal and compensation, and being formed, in the last 2 months, that you are not technically an 'employee' but rather stand on the same footing as a member of the armed services, and consquently have no employment rights.
This is before you get to the violence, the endless despair of long nights spent dealing with dead bodies/crack addicts/desparate children/beaten women/despairing young alcoholics in the grip of the DTs chained to a hospital bed. Before you mention the ruined family life, the non-existent social life, the health shot to pieces by endless night shifts.
The effects of the London riots, in which you worked 14 consecutive 14 hour days and had to argue for your overtime because the sergeant in charge of the paperwork accused everyone of lying to get more money. Before you mention the depression and cynicism that gradually claims you, and the knowledge that you are despised by hordes of the Guardian-reading public who think all police officers are sub-educated thugs. Before you take into account that in order to safe money, police officers cannot be seen together but must patrol alone, even if they are young and vulnerable, as anyone would be alone at 2am in a violent dark London estate with no-one nearby to hear you call.
And now, as of course everyone here will now, police officers will be recruited on a 5 year contract in order to screw them out of a decent pension. Oh, and since you asked, the Met police are losing their travel pass, which for some officers travelling in from miles around will mean an effective drop of some £5k in wages.
Oh and there is a payfreeze. PCs of around 5 years' experience will, in 5 years' time, be around £4k less well-off than they would have been a few years ago.
Complain about police pension all you like, but when was the last time you saved a child's life, then dusted yourself down and went to a riot where someone screamed in your face, over and over again, that they hope your wife's cunt gets cancer.