Not true, I think Bitcoin and specifically when used on DNM have proven to be a test-bed for Free Market Capitalism. Its no surprise the State (FBI) shuts these down and non-us affiliated exchanges, using a myriad of reasons; not least of which charging them for Anti money laundering or Know your customer infringements outside of it's Jurisdiction when the SEC and IRS cannot even come to an agreed conclusion and refuse to define Bitcoin as Money or property so it exists in a limbo state with all the drawbacks of both. They use drug prevention as a pretense but let Purdue Pharmaceutical create an opioid crisis and use the Established Medical Industry to do it and no one goes to prison.
Bitcoin is not perfect, and there are tons of scams abound, but True, Free Market Capitalism has a home: The Internet.
Bitcoin happens to be the currency of the Internet, despite not currently being anonymous or very private at its base layer. This must change, and it is as we speak, but despite those limitations it still allows for the experiments to continue.
The fact that front-running isn't an established Raison D'être embedded deeply into its culture and system that diminishes any value purported from its supposedly 'open markets' is another.
I can go on, but if you can't see that then you have a very superficial understanding of either systems and are require far more education than I can avail to you.
I'm not saying this to be snarky, but its clear you're simply not paying enough attention if you have to ask.
"True capitalism has never been tried".