Frequent readers here may be familiar with my negative opinions about direct democracy. Most of my concern with it is in regards to the abuse that can lead to tyranny of the majority, as exemplified by the passage of Prop. 8. I was pleased to see that The San Jose Mercury News recently published an editorial on the initiative process. They don't reference Prop. 8, but they do point out other recent propositions that are exemplary of the way this process is abused.
"Editorial: Initiative process is in need of reform" Web Link
"Initiatives are a fiercely beloved exercise in democracy, but they are prone to error and manipulation, and they are tying up huge portions of the state budget. The progressive leaders who created the process never anticipated this."
As for Prop. 8, the fundamental issue isn't gay marriage but the usage of direct democracy by States to take away the rights of a group of people based upon a characteristic of that group in violation of both State and Federal Constitutions. That will eventually hit the Supreme Court like the proverbial brick.