My company sells systems to DMVs, during some small talk one of the folks from the DMV said that they keep having retirees come back after retiring, the main reason: Healthcare. Working at the DMV is obviously a pretty easy job (compared to say... a roofer or even retail) so they just go back to work to save on Health Insurance. The DMV gladly hires them back too, they have the experience, know how things work, show up and do their job, etc.
I feel really bad for young people out there trying to get their foot in the door somewhere.
I feel really bad for young people out there trying to get their foot in the door somewhere.