America can’t afford to be isolationist. Outside trade is the basis for US prosperity, and what goes on in the rest of the world will affect the US and its people, and if certain countries aren’t held in check, they will threaten America fundamentally from a position of greater strength.
This is why America needs allies and to be involved in global politics. Ancient China fell behind because it pulled up the drawbridge and tried to ignore the rest of the world, thus ending up getting owned by Europeans in the 19th century...
Leftist dirtbags in the media are upset that the populace isn't interested in stopping internecine wars between our enemies. Communists have long range plans that require us to do so and are shocked that their meticulous propaganda campaign isn't producing the anticipated traction.
We tried that in 30’s and it failed..
This doesn't mean we're going to cut ourselves off entirely from the rest of the world. It just means that in more and more cases involving challenges and turmoil in foreign countries, our response is going to be: "Sorry, but we really can't afford to give a sh!t."