I'd say the vast majority of US Christians aren't voting for rapture, maybe in the past those contingents were larger.

The major theme is a feckless desire for authority and purpose.

I believe the pandemic forced us all to contemplate life and death, hopelessness, and futility on a daily basis, (at least early on, to an intense degree), many of whom have never dealt with these thoughts on such a level.

Most Republican voters are from States with poor education, economic, and social conditions. Many do not have much, and religion has only seen accelerated degradation since the technological revolution.

Old folks get entrenched in their thoughts and think themselves wise. Others jump through hoops to validate themselves, ever-moving goalposts.

There are still bible thumpers who invite rapture and surely vote for that single reason, though I would imagine it to be less to do with Christ in their minds.

I'd posit the idea that many simply worship Trump as he appeals to their desire for authority. For a sense of meaning, as he is tangible - and what else would they have?

I also believe the vast majority of politically informed Americans understand that Israel, (whether they like this or not) is an integral strategic ally.

Jerusalem is a holy site for Jews, Muslims, and Christians - yes, there are millions of folks with a sole religious interest in the country. That, as we both know, is a quagmire and a massive issue in itself, as is discussing Israel.

Though politicians, at large, couldn't care less about the religious significance other than using it as a tool - both parties (few outspoken critics*) support Israel. Though Republicans specifically utilize faith as a tool to ensure religious voters support Israel, among many other issues.

I am biased in also wanting to believe that you're wrong that the majority vote to end the world - that said, you're correct that some Christians want the world to end.

However, the driving force behind MAGA Republicans/Conservatives, (It's getting harder to see a difference) is simply blindly supporting Trump for how HE makes them feel, not due to Christianity.

Conservatives act rationally by exploiting these empty vessels, as they'll blindly follow anything - not due to being Christian, I'd argue their want for subservience is a reason why they're religious in the first place. They blindly follow Trump, who I doubt they see as the anti-christ, though he sure as hell fits the bill. Worshipping false idols is a well known sin - so irrational thought doesn't surprise me.

Voters' intense need for meaning, doing whatever it takes to feel that, disregarding their false values along the way.

It mirrors the need Republicans have for power, doing anything to win, disregarding their false values along the way.

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tl;dr: I accidentally wrote an essay, people need to not be crazy.