I agree with you, Cyclonic. I think few people would dispute that Mercedes were vastly superior during 2014. And yes, any driver will surely be thankful to find him/herself behind the wheel of the best car on the grid, howsoever such a situation comes about. That said, I think it fair to say Rosberg is probably one of those "10 drivers who could have won the championship in those cars", yet he did not. Clearly, this leads to the conclusion that the most valid comparisons between drivers in F1 are those of team-mates. Such comparisons are surely even more valid if the outcome is less influenced by elements beyond their control and/or that when such mishap inevitably occurs, it does so in roughly equal measure?
I think this brings us back to the point BLS and I were both making. BLS was comparing the misfortunes of the two drivers 'lucky' enough to find themselves in the same top team, and suggesting that by the end of the season, they had experienced a similar degree of influence beyond their control. My point continued from his; that the viewing public were ultimately 'luckier' to find such a reasonable balance rather than, for instance, feel the outcome of a season-long battle had been swayed by one of these two drivers suffering unfavourable mishap far more than the other.
Of course, the viewing public in general would have been even more fortunate to witness a battle between more than two drivers – and a closer Constructors' Championship…