If the actual union worker is still getting full salary and benefits after being laid off, then union workers are getting paid to not work. Getting paid to not work is a lot more than most actual non union workers get paid when they are laid off: ZERO DOLLARS.
Did you hear Rush talk about the pay of to laid off auto workers, today? A former auto worker called in and confirmed that laid off workers get paid for not working even if they turn down a job at a different location.