So, what you are suggesting is that people who were due to start receiving their pension at age 60 would be happy to say, "No, keep that money that I was contractually promised".
Well, if it was a choice between "wait 2 years" or 'take a 20% pension cut" I think the wait might be the lesser of two evils. Especially since I won't get the rest of my pension until somewhere between 63 and 67 anyway.