You count on the fact that people today are used to very low inflation, and will immediately be disgusted by the demands of these workers.
This sort of manipulation, is something conservatives have perfected over many years. Also classic conservative backstabbing. Reagan got these people to support him. He even had a past as a union representative. Yet when push came to shove, he didn't have their back. No, he stabbed them in the back instead, and reduced them to poverty.
Denying them employment in the future was classic vengeful pettiness which would have made Donald Trump proud.