“The most guarded country border”
There were fairly few guards.
Once over/through a fence an Israeli village five miles away is 10 minutes away by motorbike.
Every Israeli reservist living within 10 miles of Gaza should have had a radio alarm and a gun safe in their home with a pistol or rifle.
Gazans tried to swarm Israeli villages near Gaza in 2018.
There are things apart from humans for guarding.
Mossad is supposedly the greatest intelligence agency.
“Gazans tried to swarm Israeli villages near Gaza in 2018.”
And Israel “adapted” by changing nothing. What does that tell you?
More importantly, if Israel isn’t capable of defending itself, can it continue to exist as an autonomous entity?
They are surrounded by a demographically increasing enemy, and the West, their defender, is destroying itself.