>> lack of any Egyptian archeologists on most interesting and significant findings about Ancient Egypt is one.

Politics. The egyption government is very sensitive about egyptology. They can make normal life difficult for people who rock the boat. Novel research or theories are activley discouraged. So it is hard for locals, and safer for outsiders, to make news.

https://youtube.com/@historyforgranite

(No, this isnt an ancient aliens crackpot channel. This guy is doing solid work and does discuss how egyptology is so locked down.)