So they should just roll over and let Israel take their home?
You'll have to be explicit about how you're defining "their home". Just the territory conquered in 1967, or the entire state of Israel?
Anywhere that people had to be displaced for Isreali citizens to have liebensraum
There are some such places, but they are relatively few and far between. The exception, rather than the rule.
They had multiple opportunities to establish a state. In fact Gaza was a state with insane financial support from all over the world, probably one of the highest per capita aid recipient in the world from governments and private donors, including Israelis.