If you have ever had much interaction with an addict you would know he probably had 99 problems and drugs weren't one before coming clean.
I'd wager you are right on the money as to why Dana wrote what he wrote.
I've never been a Karo fan. Actually I think he is a dick but I really hope he gets the help he needs because its a shame to see such talent go to waste. I have no doubt his attitude didn't do him any service when it comes to admitting you need help.
Good luck Karo... you will need it.