Ever since Constantine the Great converted to Christianity, it has not been possible to simultaneously be both a Westerner and view Jerusalem as simply a city. Part of this, obviously, has to do with the fact that some of the more memorable parts of the life of Jesus took place in Jerusalem.* The other thing is that Jerusalem is absolutely integral to the Christian idea of the Apocalypse.
Now as a sane, happy (I hope, anyway. I believe in you.) person, you may not quite get why we should give any fucks about the Apocalypse. Why worry about the end of the universe? Why does that come into play at all in the day to day life of your average Christian? These are good relevant points that we must cling to in order to continue to fight off overwhelming feelings of dread in the nightmarish hellscape that is the current political landscape.
Trouble is, Christianity as a religion is obsessed with the apocalypse.