Your ‘antipode point’ is where you’d end up if you dug straight through the earth and came out the other side.  For most of North America and Europe, it’s in the middle of the ocean. Not China. You can find the exact spot of your antipode point at . (, )
When Lyndon B. Johnson was interviewed by a reporter who asked him why American troops were in Vietnam, he was so frustrated that he unzipped his pants, pulled out his penis (which he’d named ‘Jumbo’), and shouted, “This! This is why!”  (, )