Earlier quoted context omitted.
But you already enjoy many benefits already brought about by unions that you did not pay dues for, like weekends off, ending child labor, 40 hr work week, 8 hr work day, benefits around health care, unemployment and more.
Unions have also perpetuated racism, sexism, xenophobia, organized crime, government corruption, etc. It’s not all sunshine and lollipops. America abandoned unions for a reason.
It's been a concerted effort of corporate capitalists: buying & influencing media outlets, lobbying, offshoring, etc.