id say the real fallacy is believing that things can change. Momentum and inertia are powerful things. Im actually on your side but many people are just apathetic and unwilling to stick neck out of shell. We are the turtle catfishes of oncology, at the very least surrounded by them in our field.
It's not like people will have to immediately let their program director or employer know that they will be joining a union. I would imagine such disclosure will have to be made only after a sufficient number of residents/employees sign up, then the union can proceed with collective bargaining of their behalf. Plus, any behavior that could be seen as retaliatory could open up the hospital to a lot of liability