I was reading The Bible (Wikipedia) page about Nigel Mansell t'other day, and how at one stage his team mate had their two cars swapped because he though Nig's was faster.
That team-mate was none other than Alain Prost.
Lets get nostalgic.
What he did was if Mansell was quicker, he would ask his mechanics, who he had a good relationship with, to swap the cars over, overnight. Mansell would then come back in the morning and realise that his car was handling totally differently. In some instances, Mansell would go faster still (in Prost's car). Prost would respond by asking his mechanics to swap the cars over, yet again. Obviously Mansell was extremely pi$$ed off by Prost's underhanded actions and developed a strong dislike for him.
Prost was a very calculating individual who would leave no stone unturned in his persuit of winning.
Obviously Prost was already on bad terms with Senna, at this point. A few GPs into the season, Mansell started disliking Prost. Mansell also didnt get along with Senna and at one point had him by the throat. Literally.
In the late 80s/early 90s, when the top3 drivers (Mansell, Prost, Senna), used to race eachother, they werent just racing, they were essentially fighting eachother as they had a strong dislike for one another.
Once MS arrived on the scene, these "personal" battles, all but ended as he was very professional and generally didnt get involved in any personal squabbles.
This is why I loved 2007 so much, because for the first time in over a decade, we saw 2 drivers, at the top of their game (Hamilton/Alonso), who were the main contenders for the title, who happened to be team mates and hated eachother's guts. When Hamilton beat Alonso, he loved it and certainly rubbed Alonso's nose in it. Similarly, when Alonso won, he loved it - not just for the win, but for the fact that he beat Hamilton.
I wonder how much positive discrimination MS got that helped? Surely development of chassis etc would be tuned to him, at least in later years?
This is a definite possibility and is highly likely. But it wouldve been upto Barrichello to adapt his driving style to get the most out of the car. Top drivers generally do this. Mansell, Senna, Prost, Piquet, all had this ability. Just as Alonso and Hamilton do, in that they can get in the car for the first time and immediately be fast.
People make excuses for Barrichello, but the fact is, that he just wasnt in MS's class. Plain and simple.