And screw the younger generation, while at it (most of whom aren't eligible anyway). Conditions for new members (see Table 1): https://cds.cern.ch/record/1694667
So?
Pensions are just deferred salaries. Do we expect scientists to work for free, or something?
"The cost [...] has been evaluated, taking into account realistic labor prices in different countries. The total cost is X (with a western equivalent value of Y) [where Y>X]
source: LHCb calorimeters : Technical Design Report
ISBN: 9290831693 cdsweb.cern.ch/record/494264
Also the assets under management sounds pretty standard compared to similar funds in Switzerland.
For example, in Germany it takes 1100 pensioners who are forced to pay "public" television fees to finance the pension and lifestyle of a single ZDF bigshot.
This includes people who are barely above social security level.