Originally Posted by
DaveWC
Really? So if you buy a piece of equipment & the manufacturer says that it has a maximum lifetime of 5 years or 20,000 miles or 5 million revolutions under ideal care conditions that is ridiculous because under less than ideal conditions the piece of equipment will/could fail. Not going to debate this beyond this point as it's stupid but a maximum lifetime of anything implies ideal conditions.
But that manufacturer can say this widget will last 20,000 miles because they've built a million identical ones, tested a bunch of them, and heard reports from their customers. People aren't identical like that. What would it even
mean to say your heart was "capable of" X beats if you had died before it got to that number?