BaselII[+] and friends are relatively clearcut and are designed to prevent credit meltdown. The rules and reporting requirements are baked into Bank software and dataflow. Auditors will spank you with fines, and will revoke your accreditation for serial offences. This can force an involuntary acquisition.

> there are tens of thousands of Somali refugees in the US. To my knowledge there is no commercial bank that will help them send money home to their families.

That is the result of draconian anti-terrorism laws and has nothing to do with regulations around credit reserves.

You seem to be concerned around over-regulation, however the article is clearly arguing the opposite: "Deregulation has allowed perverse incentives into the very fabric of global finance."