Everything you install on basically every desktop OS, by default, has access to practically everything. I think most people would be surprised if they discover

Everything you install on basically every desktop OS, by default, has access to practically everything. I think most people would be surprised if they discovered that apps were uploading their emails. And photos. And tax documents. Just because they happened to be on the hard drive, and there were no permissions to prevent it. Expecting FB to not do similar and respect basic privacy by default is reasonable. FB doing such things just because they can is not.