Hamas rule would mean the removal of every Jew in Israel, and the creation of an Islamic state.
No, Hamas rule would mean the disenfranchisement of post-1947 Jewish immigrants to Israel into becoming non-citizens. What happens after that might be hard to say.
I didn't mention Saudi Arabia.
You cited articles that did as the basis of your argument, and thus they are the basis of your argument, too. But Palestine is conspicuously little mentioned in those articles. They make a very general case without proper reference to the specifics you are talking about.
Hamas is part of that process, and is explicit in their charter.
The Hamas charter definitely does not explicitly support de-Christianisation: quite the opposite, in fact. Although I suspect in practice, Hamas would not be terribly concerned about persecution of Christians beyond the PR damage in the international community.
But that aside, the de-Christianization of the ME is a process that's gone on for centuries, and especially over the last century, well before SA started exporting Washabism. Hamas is part of that process, and is explicit in their charter.
Well, sure. de-Christianisation has been going on since the 7th century, if you want to look at it that way, but it's not necessarily very useful to go back that far.
There has clearly been a rapid decline in the last few decades, attributable in large part to emigration. But that emigration has more been driven by war, disorder and economic hardship than anything else. In many cases, where persecution has occurred, it has been enabled by this war and disorder. Much war and disorder has been inflicted by Western and Israeli actions. Al-Qaida and ISIS were born of resentment of Western interference, and ISIS flourished in Iraq where the West destroyed the local authority. At a significant step down in Islamism, being much more pragmatic / nationalist, Hezbollah was founded in response to the Israeli invasion of Lebanon, and Hamas in response to the First Intifada. Hezbollah was subsequently vastly empowered by the 2006 Israeli attack on Lebanon, and Hamas by the persistent failure of Israel and Fatah to secure a future for the Palesinians.
Key here of course is the fact that the West is viewed as Christian. Every time the West interferes politically or militarily, it can be perceived by some Middle Easterners as an attack by Christians on Muslims, and increases the risk that the native Christian populations become viewed as an enemy within. The upswing in Islamic fundamentalism such as Wahhabism makes this even more likely.
This is the tragic truth. The West and Israel have probably done more to de-Christianise the Middle East than centuries of preceding Muslim rule without their interference. Although of course, Israel couldn't give a shit about de-Christianisation and in terms of Israel/Palestine, effectively supports it.
That's leaving out Hezbollah and other Islamist groups that operate within Lebanon, not to mention discrimination from the government itself (e.g. increased taxes and denial of land), not to mention that Lebanon is a safe haven for Christians who've fled persecution in neighbouring countries.
Hezbollah was founded in 1982. The Christian population of Lebanon has been in relative decline (much through emigration) significantly longer. See also above about the drivers for Hezbollah's growth. Iran can supply arms and funds, but it is anger against Israel that drives recruitment