Why Not Non-Muslims In Arabian Peninsula
There is no prohibition of entering and staying, it is permanent residence which cannot be attained in these areas. This is to maintain the status of these lands by ensuring residency control. The hypothetical on India has not happened yet in the past many centuries and there is no emerging religion which makes such claim, when such a claim is being made by any other country then in addition to studying their arguments from their religious sources and countering it with arguments in case of any flaws, we will abide by their principles just the way they abide by ours. Currently, the nation state concept also imposes restrictions on free human movement ( subject to certain conditions ) and we despite arguing against it, follow their laws and respect their status.