GM production factory workers get 12 week vacations. USPS letter carriers in the DC area get 13, 20 or 26 days per year, depending on how long they've worked in the government.
They also are subjected to anthrax attacks ~ something that hardly ever happens at GM.
No, GM is a bad comparison because of all the UAW squeezed out of them over the years, which also benefited salaries employees ... and is why the Big Three are in so much trouble.
But generally those are a thing of the past with the global economy and Toyota kicking their butt.