Can an offensive player move into the path of an airbourn defensive player?

[just another ref]

Originally Posted by Snaqwells

Read it more carefully. He's talking about a play where the defender jumps forward, towards the shooter.

Even if the defender does jump forward, toward a stationary shooter, if the defender would have landed short of contact, the shooter is not allowed to jump into the defender. In reality, the shooter will get a lot of benefit of the doubt. One cannot always say with certainty who would have landed where.
But here, it was a given, the defender would have landed without contact, the shooter jumped into the defender and some have said the foul is still on the defender.