Not all. I work for a company that deals with all kind of data like this (but not actual communications). We are building a system to honor all opt-outs and del

Not all. I work for a company that deals with all kind of data like this (but not actual communications). We are building a system to honor all opt-outs and deletions and will be online before the first of the year for CCPA. The reality is that most people will not ask for this stuff because they don't care. Requests for actual data are tricky because you have to fully validate that the person is who they say they are.