Thread drift.
Don T raised this issue this morning. I pointed out it was the wrong thread. You must have missed that Jim.

,i>The motive behind Egypt flooding the tunnels has been adequately explained elsewhere
Yes it has.
To prevent another incursion from Gaza.

Your Christian Science piece was in the immediate aftermath.
The flooding of the tunnels, making the closure permanent, was seven months later.
The Brotherhood are clearly now certain where the incursion came from.