See this article for more information.
https://www.thestatesman.com/india/iskcon-monk-amogh-lila-das-ridicules-swami-vivekananda-faces-ire-1503199650.html
ISKCON's reaction in that article is not the true ISKCON. That is the ISKCON which is fearful of political and popularity backlash.
Their philosophy has no room for Vivekananda or Ramakrishna.
The monk guy spoke openly what was spoken behind the doors.