You're point is, to me, the most important. But in addition when you hear a number like 70-75% it's pretty clearly an estimate or guideline. It's not as though

You're point is, to me, the most important. But in addition when you hear a number like 70-75% it's pretty clearly an estimate or guideline. It's not as though he was sitting there looking at the number 82.71, where 82.70 is wholly inadequate and 82.72 is overkill and saying 70-75, he was setting a goal and then realizing it could be set higher.