We don't need corporate capitalism the same way we don't need fertiliser or internal combustion engines.
Capitalism, like the internal combustion engine and the more aggressive kinds of fertiliser, are like burning down your house for warmth because you're too stupid to work out how to turn on the free heating.
Regulation certianly helps, but it has to be absolute to prevent regulatory capture. Once regulatory capture begins the inevitable outcome is the one we have today - bonkers people running around doing suicidally bonkers things for the bling.
It might be more useful to question aims and then consider means.
What would the aims of a sane culture be?
Would it surprise anyone - outside of the US and the MBA schools - if bling wasn't top of most people's lists?
This may make sense actuarily, but socially it promotes monoculture. You can't be me, I'm taken