I'm reluctant to go for these notions, reminds of conspiracy stuff said about 9/11, which was pretty much nonsense.
However, the "Gee, yeah, we'll be nice and let yous clear out of Gaza before we start the ground assault" is a tad suspect, as it's already the most crowded place on Earth thanks to other Palestinian refugees fleeing Israeli attacts in decades past only to not be allowed to have the right to return to their homes once the wars with other countries ended. Something like 51% of Jordan are such refugees too. So once these ops end, those fleeing may find out returning home isn't an option. No doubt why they all haven't run out by now.