You need to do some reading on the subject as you're woefully misinformed on this subject, and indeed on much else for that matter. Maybe if you read this WaPo article it might help you to stop being so partisan and ill informed.
https://www.washingtonpost.com/repe.../gJQAuvvRXX_story.html?utm_term=.a68676b2274d
Problem with that article is that it assumes the banks were unregulated. They weren't. Even with its repeal they were still heavily regulated.