Dmytro Halko met Ukrainians who were kidnapped in Crimea.  He spoke about their meeting in his blog:

From the very beginning, I did not like someone’s light hand in bringing into use the phrase “polite people” when referring to the invaders of Crimea.  I think it could be a part of the informational war, which works to voice Putin’s assertion that there can be no intervention if no shot has been fired and that, therefore, there was no intervention in Crimean, but rather something like an operation to restore order.

One who is familiar with the history may recall such interventions, for example, when Hitler took Sudetenland. However, I do want to talk not about the historical analogies but the false image of the “polite” occupier.  It took me one meeting in a Kherson hospital with guys who were kept captive in Crimea for nearly two weeks for that image…