I can't know if this is true or false. It reads like it is politically motivated. Can you cite sources to substantiate the many claims you have made here?
I don’t know about Wisconsin, but based on how UAW behaves in California, I’d need strong evidence before I believed they acted in the interest of graduate students in any state.
Here’s the “do what the union agreed to even though your campus voted against it or you will be fired” notice that UC sent to the UC Santa Cruz graduate students:
