Communism went away. It's not that communism was better. It's that it was competition. There was, for half a century, a competitive threat - do better than the USSR, or face a revolution. That threat was taken quite seriously in the US for decades. Industrialists (the US economy was mostly manufacturing back then) were careful not to get too greedy or power-hungry. They feared expropriation. Britain nationalized many…
Communism and socialism were disliked primarily because they reduce freedom. Every additional unit of socialism, is one less unit of freedom. Full communism dictates almost every part of your life. I am pro balanced socialism, just making the point that it inherently requires force.
Capitalism is also freedom limiting. Just ask low wage earners struggling to pay rent and afford healthcare.
And on the other hand, the nordiis seem to do quite well.