what you describe as (theoretical) capitalism is even more unachievable than the radical democracy of a worker-controlled economy in (theoretical) communism.
in case you've been living under a rock, you may want to read about all the choice, leverage and advantages customers enjoy under capitalist Jeff's rule and inevitable enshittification. https://www.nytimes.com/2023/09/27/opinion/amazon-ftc-antitrust-monopoly.html

do you really have any illusions that capitalist states can contain multinational corporations while they buy legislators, judges and whatnot with pocket change? if you fear a command economy, you should really be worried about this, because the trend has long been for concentration rather than competition. though you may still get the illusion of competition, and of democracy, if you don't pay much attention.

in terms of human rights, people having to live in bondage one paycheck away from being kicked from their homes or from going bankrupt over a health crisis is not my notion of respect for human rights. that's not an exceptional situation under capitalism, it's the end goal.
capitalismo é o sistema mais cruel que a desumanidade já criou