Kevorkian is a serial killer: Nothing more, nothing less. And the people who idolize him are getting the same sort of sick thrills vicariously. That is the only difference.
Also, should a man who was essentially let out of the clinker for medical reasons be gallivanting around the country collecting big speaking fees? Me thinks not...
Yep, if he's healthy enough to travel around the country, he's healthy enough to be in prison.