In your free market, less importent, might mean nonexistent. There very existence might be a product of regulation. Regulation which benifits them, I.e. multinational banks, but also the huge economic activity that depend in them... I.e. businesses which can get loans because of their existence but wouldn't and don't have access to such loans in other regulatory environments that make operating such institutions impossible.
There is a reason some countries have more cheep credit than others. And access to cheep credit increases economic activity and innovation.