The gay marriage issue is a current one. It's a fight that's being fought right now. Protesting someone who is against gay rights has an actual impact in today's politics. Protesting against someone who supported going into Iraq over 10 years ago does not.
Yes, there will be public outcry, because many people view her as a deceiver, and others will think she is a tool of the NSA. But the outcry will not be the same as it was for Eich.