Earlier quoted context omitted.
Unfortunately unions suffer the same fate as other "invisible" benefits: everyone takes them for granted and doesn't recognize their value. Unions - the folks who brought you the weekend. (That's a button and bumper sticker.) Also the 8-hour day and the 40-hour week, which the US somehow lost.
This reads like one of those really lazy appeals to things that happened forever ago to defend the modern organization. Republicans call themselves The party of Lincoln, Bell labs reminding people they invented the semiconductor, etc. Hearkening back to something you did a long time ago seems like a purposeful hand wave away from the present or recent history.
Unions are constantly fighting to make sure that the pilots of commercial planes are allowed to get enough sleep and not be totally exhausted while flying. And to make sure that flight attendants are only half-zombies...