Perhaps, but maybe his brush with death as he was diagnosed with pancreatic cancer in (2005 i think) was the trigger.

Clever how the author implied that with the statement at the end....

"Jobs, 56, has had numerous health problems and announced in January that he would take his third leave of absence in seven years. During that time, he has survived a rare but curable form of pancreatic cancer and undergone a liver transplant."