There will always be power imbalances in a large society. Centralized systems = increasingly imbalance power
Decentralized = individual potential for rebalancing

Workplaces are not democratic (right - they're not designed to be democratic). It doesn't follow that capitalism creates tyranny.

Unfortunately, capitalism often devolves into corporatism (this has happened very clearly in the US), which is highly centralized, whereas socialism in a large society begins with centralization.

 

 100%, I'll also add that we don't have true capitalism in the US because we have companies that are "too big to fail" and too many heavily subsidized industries.  

 yes, exactly

once the govt starts subsidizing and protecting particular sectors or companies, you've left the free market