"That means New Seasons Market needs to stop ordering managers to block conversations between their employees and other unionized grocery store workers," - no it doesn't.
A handfull of employees want every non-managment employee to pay sixty bucks a month in union dues, plus massive 'initiation fees' for the right to ... work half a shift a week and get full health benefits ... and show up habitually 30 minutes late to work with no consequences. Wow, such heroes for the working class ...