The deeply troubled country musician became the fifth of Dr. Drew's Celebrity Rehab clients to die after appearing on the show to battle substance abuse issues, and Marx is convinced their Tv treatment did nothing to actually help the tragic stars.
The singer/songwriter lashed out at Pinsky via Twitter.com after hearing the news of MCCready's death, comparing the medic to controversial assisted suicide advocate Jack Kevorkian, also known as Dr. Death, who was known for his work helping terminally ill patients.
In a furious post, Marx wrote, "I think 'Dr.' Drew Pinsky should change his name to Kevorkian. Same results."
He later backtracked on his harsh remark and deleted the message, although he still stands by his conclusion that Celebrity Rehab does more damage than good for stars seeking real help for their personal problems.
Returning to his Twitter page on Monday (18Feb13), he wrote, "I went too far with the Kevorkian crack (joke). It is, however, my opinion that what Dr. D does is exploitation and his Tv track record is not good.
"My heart goes out to the families who suffer most in the wake of the failure to save souls like Mindy MCCready."
MCCready joins Alice In Chains bassist Mike Starr, actor Jeff Conaway, civil rights activist Rodney King and former Real World reality star Joey Kovar on the list of former Celebrity Rehab participants who have died.
A fifth season of the hit Vh1 show is set to debut in September (13).
Meanwhile, Pinsky has revealed he "reached out" to MCCready after learning her boyfriend had apparently killed himself at the couple's home in Arkansas last month (Jan13).
He says, "Although I have not treated her for a few years, I had reached out to her recently upon hearing about the apparent suicide of her boyfriend and father of her younger child. She was devastated. Although she was fearful of stigma and ridicule she agreed with me that she needed to make her health and safety a priority. Unfortunately it seems that Mindy did not sustain her treatment."