relating to or causing much discussion, disagreement, or argument, no problem with this part of the definition but....
likely to produce controversy is a question. Why would anyone want to produce controversy? What comes to mind here is: There are three sides to every story - your side, their side and the truth. So, every action presents the opportunity for controversy.
Relationships - Marriage, sex, age, gender, race... you wonder why are these topics so controversial?
health care -
Abortion - are just a few major controversial subjects. Do you think we're ever going to make some progress?
(((your inner voice.com)))