Earlier quoted context omitted.
It's less about education, and more about "fuck you got mine" for a website full of engineers whose average salary is probably 6x that of the average American
It’s partially self-interest, true, but speaking for Americans, there really is no widespread, institutional education on what labor unions are or do, and what benefits they can bring. Most people simply don’t think about them or believe whatever their employers’ PSAs tell them to believe because no one else ever talks about labor organizing to them.
Take a look at the current situation with police unions defending bad cops, for example. The union is just doing its job in protecting the cops, right? But in reality, this can come at the expense of others who are adjacent to the unionized employees. It’s not a simple matter of employees versus their employer.