... I would agree (much more than sufficient for my needs)
............. but there is also the consideration that a key part of 'good' product design (in this day and age) is to specify a product to be just sufficient for the job not sure what Porsche use but say 60k miles and 3 years for 95% reliability (i.e. only 1 routine services needed), some of us here would be pleased if they reached that! After that you are into ~£1k/yr to extend to 14 yrs or 125k miles, so they are hedging their bets after that time.
After that a further consideration is, just like cornering forces are the square of the speed, likewise power increase is greater than a linear effect on wear (other may know more precisely), the only mitigator on this life reduction is not using the power Of course all this is all a personal choice but I would certainly not want to be unknowingly the second owner