If anything, the revolving door probably leads to tougher regulation...
http://www.bloombergview.com/articles/2014-06-26/strict-regu...
"Here are some possible theories of the financial-regulatory revolving door:
...
2. Regulators want to get higher-paying jobs at banks, so they try to be diligent, fair, competent and zealous, so that the banks are impressed by them and hire them.
3. Regulators want to get higher-paying jobs at banks, so they are hard on banks in ways that force the banks to hire lots of ex-regulators -- to understand complicated rules, say, or to work as monitors for regulatory settlements.
4. Regulators want to get higher-paying jobs at banks, so they are hard on banks in general, hoping that the banks will hire them to just shut them up."