Earlier quoted context omitted.
The argument could be made that she was mislead by the CIA, just like Colin Powell was. I do agree that the Iraq War was a crime against humanity. Personally, I admire Rice, and don't think I would personally boycott Dropbox because of that choice. But I understand why some/many people would boycott Dropbox, and I don't think they're wrong to want to do so. The hypocrisy isn't in that the OP feels stronger about the…
Opposing gay marriages and killing people aren't the same, and the magnitude at which both of these events took place is also important. Prop 8 was a legal process, you could've successfully opposed it (and it was). But going to war isn't something the public could vote on. Also Eich's donation was $1000, Rice's War was several billions and massively haemorrhaged US Economy.
If I believe that cars are causing global warming, I have the right to boycott the uses of cars and to publicize it. If I believe that eating meat is wrong, I have the right to boycott meat and to publicize it. If the CEO of a company supports a campaign that I believe infringes on human rights, I have the right to boycott that product and to publicize it. If the company of a product I use adds a person who was involved with what I believe was an unjust war that killed hundreds of thousands of people, the I have the right to boycott them and to publicize it.