You think socialist and communist countries like the USSR never tried to topple the US? They failed, we succeeded. The weak falter, and the strong thrive. This is true for everything, including economic theories and systems of government.
I would welcome a better system than mixed market capitalism with open arms, but the autistic mess that is communism is not it.

These usually get downvoted without any major further developments. People got used to them already and OP alongside the whole subreddit he digs these from already proved to be beyond talking grounds, instead replacing arguments with memes.