Maybe an old-school 70-something year old Texan who doesn't travel much unless he can get there on a bicycle thinks like you do. The rest of us, whether we know anyone in China or not understand that's where all the socks and eye glasses and tons of other stuff come from and we know it's pretty important in our lives.
We don't talk much about places until it's in the news. That much is true.
What Trump has done is bring this issue to the forefront. Virtually nobody was aware of the controversy. Now they are (if they wanna be). And they will learn more as the process causes uproar in the region. It will be too much to put that embassy there- too much drama and literal explosions. It'll be another "wall" that doesn't get built.