Practicality for one. How do you change the world economy when they couldn't even get together to manage a respiratory disease by wearing masks and isolating for 2 to 3 weeks.
There is nothing inherently wrong with capitalism as a concept. It's how it's abuses. Regulation and rules to circumbet that can help.
Communism doesn't work. China shows some totalitarianism works, but I don't want to lose personal freedoms for the greater good.
What system would you suggest would address capitalisms faults yet has a chance to actually happen?