I treat every unsubscribe link as though it read "click here to confirm your email address is live and being used by a human being so it will command a higher v

I treat every unsubscribe link as though it read "click here to confirm your email address is live and being used by a human being so it will command a higher value when we resell it". If I don't like an email I never unsub. I add it to the spam filter.