Yeah i thought i had missed something there. Just as well, nice to see things are still (appropriately in this case) passed off as racing incidents once in a while.
As noted in the stewards report, Senna was taking his normal racing line. Easy!
First and biggest pity is that people are talking about the wrong thing here - this was a truly awesome overtake by Felipe and that's what should be talked about IMO.
When I watched this I immediately thought of the Schumi/Rubens/Hungary/2010 incident. One move by Schumi, supposedly tougher rules now, no contact by Schumi.
No, completely different, Schumacher moved off the racing line and checked his mirrors several times, he knew where Rubens and the wall was, and had made a premeditated move
Senna followed the racing line thinking it wasn't a passing place, and Massa dived so quickly there was no time to react. If anything Massa had caused an avoidable accident, but managed to control the car and both drivers finished the race.