The title of this article is "Its not yours". While I definitely agree with that, I'm the DBA for the company I work for. That means that I'm charged with both the safety of the data and making it available to the right people and only the right people. The data is actually mine because I have to guard it and only distribute it to the right people as if my job depends on it... and it does.
Still not sure the data is yours. It's your responsibility and you have accountability for doing your job, but you implement someone else's rules for managing the data and authorizing users.