My apologies if it came across as if I was talking about this top 10 specifically, it was meant in general. I only quickly glanced over this one. Top 10's like these should be a simple
Number of race starts in a Ferrari/wins.
If you put other variables in to it, you'll inevitably fall in to complete subjectivity rather soon. I of course know what you mean, but by attempting to be too correct, you'll end up being too incorrect. Besides, a lot of things that people will want to correct are simply "part of the game" and not to be corrected. Arguments like "Yeah, but his car DNF'ed half of the time"... part of the game!
This coming from someone who studied a quasi pure qualitative science

"There is a credit card with the Ferrari logo, issued by Santander, which gives the scuderia a % of purchases made with the card...
I would guess that such a serious amount of money would allow them to ignore the constant complains of a car that was nowhere near as bad as their #1 driver tried to sell throughout the season.
Heck, a car on which Massa finishes in the podium or has to lift so that his teammate finishes ahead (As we saw often in the final races of the year) is, by no means, a "bad" car."