It’s very simple. There were no clues left at the scene indicating foul play.
Therefore it is obvious the perps were highly skillful professionals. Only possible explanation. /s
Left out of all this paranoid discussion is the fairly obvious fact that the way this accident happened is creating all the suspicion. Would not a simple and obvious heart attack make more sense for a secret killer than a spectacular crash?
If it looks like nothing was wrong with his car, it is clearly a flawless professional assassination.
If someone dies unspectacularly, then clearly it was an assassination that carried a very subtle message.
If someone dies spectacularly, then clearly it was an assassination with a very overt message.
If two deaths occur that have any similarity, then clearly it is a pattern of targeted assassinations.
If two deaths are dissimilar, then clearly it is a clever method of avoiding a pattern in one's targeted assassinations.