Systems need to be managed. If you cook with high temperatures and let your attention wander then the food burns. If you drive fast with bald tires then you may fly off the road. We know that strong regulation on industry, especially monopolies, high taxes on the wealthy, and powerful unions can keep Capitalism in balance, but we have chosen not to use these mechanisms. Is that Capitalism being flawed or is it us as custodians failing in our basic duties?
We've been through this before. As recently as the 1930s the Capitalist economy tried to eat itself and had to be stopped. That is historical and everything changes, but the basic principles are the same. Find out where things are going wrong and address that with some basic controls and limits.