Amir Tsarfati claims the Gaza Hamas group jumped the gun. It was supposed to be a combined arms attack on all fronts.
https://youtu.be/YnxV7NiSkhA?si=wvBGDP2HV7U9GiJM
That is possible.
I’m not sure we’ll ever know the official story of the attack.
I don’t think the end result was exactly what Hamas or Iran wanted. Seems like they wanted more.