This was an amazing and provocative claim for which no sources were listed. (realclimate.org)
Roy Grundmann who is Associate professor of Film Studies and also expert on Michael Haneke's films wrote about euthanasia in Amour: «Haneke submits the more provocative claim that such a choice, even when fueled by radical compassion and even in the arena of romantic love, is never completely altruistic.» (slantmagazine.com)
Nevertheless, to this day, I appreciate his provocative claim and its all - or - nothing style. (firstthings.com)