As with all arbitrary limits the 60 rule doesn't stand up to serious scrutiny. Unfortunately for many of us it was encouraged over the years by ALPA as their members had a vested interest in making sure it remained (and remains).
However, there is no logic in forcing anyone, pilot or otherwise, to retire while he/she can still function at an adequate level to pass all the checks. Those who are luck enough to enjoy decent pension schemes in the major airlines can still retire at 55 or 60 or whatever their company rules dictate.
Please just stop trying to legislate for those of us not as fortunate as yourselves. And there are many of ALPA's own members who are very much in favour of change, guys who need to able to continue to earn a decent salary as long as theya re capable of doing the job. The sooner it changes, the better for pilots generally and for aviation worldwide as there are lots of other countries that will follow the FAA lead when it happens, as it undoubtedly will, either soon or at some stage in the future.