FIA F1 Sporting Regulations 27-4:
At no time may a car be driven unnecessarily slowly, erratically or in a manner which could be deemed potentially dangerous to other drivers or any other person.
I wonder if it applies to Hamilton as well: coming into a straight (with all the other cars closely behing) and slowing down
to <50 km/h after the apex, with the safety car safely in the distant already.
Just a few seconds before the contact he was complaining that the safety car was too slow. He then procceds to slow down to an even lower pace after the 2nd (?) slower corner of the track. I mean, right before that corner Lewis had a big and wide section to slow the pace a bit in a steady and safe manner. But he didn't.
He goes up to +180 km/h (sorry for the potato quality but didn't find any other video). That would be the safe way I guess... for others and for him, who was in first.
I won't argue Vettel's penalty as I agree with it. Or even discuss Vettel's deliberate or not deliberate steering. He deliberatly put his car alongside Hamilton's and if after that he drove into Lewis, that's 100% his fault.
Having said that, I think Hamilton did push the limits of the regulations yet again and got away clean - as he did last year, slowing down while in 1st and making everything possible so Rosberg could be overtaken. Maybe when Hamilton is going slow, no penalties will come up for him. He should always be going fast. He causes less controversies and wins more (points and respect).
As Vettel deliberatly put his car allongside Hamilton's and hit it, Lewis also deliberatly took his foot of the throttle to slow down to ~50km/h with Vettel close behind him. If anyone expected Vettel or any other driver in his place to have a 30m gap just to "be safe", he or she is a bit naive. You can even listen to Vettel's car engine sound on the video posted above to see that he doesn't accelerate into Lewis. He acctually slows down, just not enough to avoid contact.
I guess driving slowly is OK as long as the drivers behind you are good enough to avoid contact and make the stewards think there was not even a "potential danger".
PS: Also, why isn't the onboard graph correct when showing that Hamilton did use the brakes? I'm just asking how, technically that system wouldn't syncd with the car's telemetry. Guess that would be ideal, even for the viewers who apparently are seeing ghost brakings and accelarations. ^^ Always thought the data was reliable. I mean, when I see 200 km/h I guess if it is 201 there's no big deal, but I thought that applying force to a pedal (accelation or brakes) was different and more accurate.