They've been doing it for decades. It's just getting more and more concentrated.

“This time, the IDF intends to evacuate all residents of the Gaza Strip to a new concentration camp humanitarian zone that will be arranged for long-term stay, will be enclosed, and anyone entering it will first be checked to ensure they are not a terrorist. The IDF will not allow a rogue population to refuse evacuation this time. Anyone remaining outside the concentration camp humanitarian zone will be implicated. This plan has American backing.”