Nice example to demonstrate that you should name your tables and columns well, to avoid confusion.

Very recognizable,
IMHO your coworker received job satisfaction from maintaining a broken system and dealing with the issues: in other words: treating symptoms.
Then you came and wanted to...

According to the new European GDPR law, keeping data that you're not supposed to keep is significantly more expensive.

As a dba you always have to remember that you are the steward of the databases, have a supporting role, and that you should use your skills to the benefit...