It's called a cult for a reason. Some are brainwashed from birth. Many want to leave but are scared to because they know they will lose family and friends if they do and those who have managed to escape are stalked and harrassed constantly.
As for Kirstie, while colon cancer is hard to detect until it is too late, she was complaining of backpains since 2018. That is one of the signs and you are told to get checked if it lasts for a certain amount of time. She did eventually get it seen to and that seemed to be when they found out.
Kirstie Alley died after a short battle with cancer. The actress was 71 years old.
www.insideedition.com