No it's not. What do you support that statement with?
> Everyone who gets married knows that the possibility of divorce exists and roughly what divorce proceedings entail.
> I would wager that very few people are as hot-to-trot as you are on the notion of honor in contract literalism
I've found that people's life experiences significantly shape their views on things. Friends of mine that come from family backgrounds with a lot of divorce have the same view that you do. I call it the "realist" view. The idea of a permanent happy relationship is viewed with pessimism, as an "unrealistic fairy tale", because they've either never seen such a thing or experienced it themselves.
On the other hand, I come from a family background with multiple, near-perfect half-century or longer marriages. Out of my entire extended family, only one person has been divorced. And I wonder -- the divorce rate is so much lower in my family (30 or so people) than the rest of society -- why is this? And I think it's the "hot-to-trot notion of contract literalism" that you so summarily dismiss.
There's something fascinating that I've begun to realize in the last few years, and it's that people assume everyone else is more similar to them (or people they grew up with) than is actually the case. Cheaters assume everyone else would secretly cheat, just like them, given a good enough opportunity or motive. Liars assume everyone else does the same. They find it hard to believe that people actually do exist that don't view the world through the same negative lens that they do, including people who will honor their word above all else. And there's more of them than you might think.
(Btw, I didn't downvote you. I wish people wouldn't use the downvote button to express differing opinions; that's what comments are for.)