I’m not even sure that it is irrational exactly. The owners of a company want to believe and behave as if they own the company. Its their toy to do with as they

I’m not even sure that it is irrational exactly. The owners of a company want to believe and behave as if they own the company. Its their toy to do with as they please. Unionization changes the fundamental facts of ownership. The owner no longer do as they please, they must consult the representatives of their labor force. That is a fundamental shift in how the business operates and the rights that the owners enjoy