They are. Read up on the history of unions and why they came about. Also read up on the advances unions have created for all workers ($$, benefits, working hours, etc.). Unions have had many issues and far too much corruption in some of them. They can go too far the other way but the purpose and foundation of unions is a sound way to give some leverage to the workers.
You keep reading, Riley. I’ll keep working in a union job. 😂