Buying cheaper cigarettes online means huge tax bills later

"The one-page greeting from the Michigan Department of Treasury came out of the mailbox, but to Julia Sidebottom it may as well have come from the moon. Tucked amid the legalese was the line that said her boyfriend owed the state $4,797.87 in unpaid cigarette taxes."

I'm trying to feel sorry for these smokers, really I am. I guess it does seem unfair...sorta like how it's unfair for them to smoke in public and pollute the air that I have to breathe...