I mean, it’s a religious conflict. There’s not going to be any satisfactory solution for both parties really. It’s still absolutely horrible that they resort to violence over this, both the israeli government and hamas are to blame for this, and as always, the ones caught in the crossfire are innocent civilians. However, if residents of Gaza were allowed to leave, most would flee anyway, despite it (possibly) being their land. Preventing that is something Israel is certainly to be blamed for. Of course, one can make an argument about terrorists escaping along with them, but yeah.
Also, just because you can’t change history doesn’t mean that you ignore it, but anyway.