We have seen authoritarian communism that regressed into autocratic nationalist imperialist communism. We have also seen authoritarian communism that has shifted into state capitalism. Just like there are many variations of capitalism that we have and have not seen, there are likewise many of socialism and even communism that we have and have not seen.

Do you like shovels? What an inane question. Capitalism is a tool. It works for some things and not for others. If you want to achieve the things it doesn't work for, you don't use it and use a better suited tool instead.