Earlier quoted context omitted.
Unions only seem to benefit the union leaders. Union membership have long dropped precipitously for decades for over 50 years at least. Programmer are in no danger of being stuck like McDonald's workers. They're free to work elsewhere and the NDA are as good as toilet paper.
Unions are democratic entities. They do what their members want them to do.
For example a union of mainly older members voting for pay-by-seniority and damaging younger people’s pay.
Democracy in a union can become a tyranny of the majority. That’s one reason many people don’t want unions.