Before 1967, Egypt controlled Gaza and Jordan controlled the West Bank. They administrated those territories in a far worse manner than the Israelis currently do.
" They administrated those territories in a far worse manner than the Israelis currently do."
Currently Gaza is under partial blockade by Israelis, with extreme consequences on the population and the economy. And colonization continues on west bank, with many many check points... While heavy critics can certainly be made against administration of those territories by Egypt and Jordan, arguments would be welcome to support your view.
The relationship between Egypt and especially Jordan and the Palestinians is extremely complicated. Consider https://en.wikipedia.org/wiki/Black_September