Personal opinion, especially having no experience with Israel personally. The biggest difference in a sea of perceived differences is Israel’s mandatory service to the country. It causes a deep-seeded sense of teamwork to be a part of something like military service. In no way does it cause people to think in lock-step, but it does foster a sense of “greater good.”
You do indeed know very little of Israel, which is even more polarized than the United States. They haven't even been able to get it together to form a government in the last 2 years. Between the radical right settlers, the religious zealots, the secular centrists, the Israeli Arabs, you think they are more unified than the United States?
They hit 60% vaccination. You really think we can't ever do the same in this country??