Nope. You do what you have to to support your family. While, I am sure there are a ton of better ways to go about it, you usually fall back on what you are familiar/comfortable with. Me, I would go back to hustling people bowling. Him, he was used to dealing...did what he needed to guarantee his family's survival.
However, the cops won't care why, you will still go down for it if caught.
Now, if he goes back to it again, yes, he is a lowlife.