To be fair, they have history. Look at what the leaders of Egypt and Jordan have to say as to why they absolutely will not accept Palestinian refugees

https://apnews.com/article/palestinian-jordan-egypt-israel-refugee-502c06d004767d4b64848d878b66bd3d

https://www.pbs.org/newshour/politics/trump-wants-egypt-and-jordan-to-let-in-palestinian-refugees-from-gaza-heres-why-the-idea-is-rejected

I won’t repeat what these governments say because it would rightly be considered racist hate speech