That's what the Guardian says:
But, given the vehemence with which he has been fighting to prolong Terri's life, it is a little surprising to learn that Robert decided to turn off the life-support system for his mother. She was 79 at the time, and had been ill with pneumonia for a week, when her kidneys gave out. "I can remember like yesterday the doctors said she had a good life. I asked, 'If you put her on a ventilator does she have a chance of surviving, of coming out of this thing?'" Robert says. "I was very angry with God because I didn't want to make those decisions."Note these additional quotes in the article:
"People are being executed every day. I don't mean by the law. I mean executed by being starved to death - mainly the elderly, and people with Alzheimer's," says Robert. "There is a big, dark secret out there."I still say, if feeding tube = starvation, then ventilator = suffocation. Spare me the "one is murder and the other is humane." I don't mean to criticize the parents, they're obviously beyond themselves with remorse over their daughter's condition, but this entire affair is about extreme emotions and not logic.
His other daughter, Suzanne Carr, who is five years younger than Terri, is more expansive. "This whole notion of doing away with a group of people who don't contribute to society or who can't feed themselves or who are expensive to maintain, that is bizarre, that is crazy," she says. "You might as well put down handicapped people."