One person's "controversy" may be another person's something else, of course.Roger Lancaster wrote: ↑Tue Apr 23, 2019 2:26 pmThe Latin phrases De mortuis nihil nisi bonum and De mortuis nil nisi bene [dicendum] ("Of the dead, [say] nothing but good") indicate that it is socially inappropriate to speak ill of the dead - Wikipedia, although similar sentiments appear across a wide range of sources.
I wouldn't suggest this holds good for, say, Adolf Hitler or Josef Stalin but - if one's rationale for departing from the rule is simply that the deceased was a "controversial figure" of whom one disapproved - this may say more about the speaker than his subject.
Notices of deaths, death announcements and messages.
"Set up your attacks so that when the fire is out, it isn't out!" (H N Pillsbury)