You're making the rather large assumption that this was a one time goof on the part of Dropbox. IMO, this is reflective of a corporate culture that places test

You're making the rather large assumption that this was a one time goof on the part of Dropbox. IMO, this is reflective of a corporate culture that places testing and security on the back burner. And while some people may be OK sending their data to such a company, the rest of us might not be.