Did Israel allow Hamas to penetrate their advanced security apparatus?

This sounds way too evil to be true, but some reports suggest the Israeli government may have allowed Hamas to penetrate their extremely advanced security apparatus, in order to use that as justification to take Gaza.

How did barbarians cross what is considered by many to be the most fortified border on earth? Why did it take so long for them to be met with force? Looks like they opened the doors just like on Jan 6th...