They are not "public servants" they are humans who took a job that happens to be under a unionized collective bargaining agreement. Many of these people may not care about the union, and are just happy to have a job. They are not in a place to affect change in the way the union operates or negotiates and shouldn't have anti-union stigma placed on them or be the target of public reprisals.

Have some respect for people that just want to earn an honest salary and do good work at a job which puts them in daily contact with the entire spectrum of the human experience. They simply want to maintain a level of compensation that they have negotiated for, and that, frankly, every other worker should also be demanding from their employers, but cannot due to the erosion of union effectiveness and trust over the last 50 years.