Throw in BC?

[just another ref]

Originally Posted by BillyMac

Yes. The four elements for having a backcourt violation are: there must be team control (and initial player control
when coming from a throw-in); the ball must have achieved frontcourt status; the team in team control must
be the last to touch the ball before it goes into the backcourt; that same team must be the first to touch after
the ball has been in the backcourt.

I know it is. This was the whole point, that this is an example of the ball having frontcourt status with no team control by either side.