Your answer does hurt many. You can't judge anyone before judging yourself. As someone who is just beginning in his studies at the age of 54, The Rabbi has his own interpretation of the Torah and what it dictates. He should avoid condemning a fellow Jew to avoid his own condemnation. When will Jews get it right. Maybe if there was not such divisions in Judaism and people just accepted all Jews, the discord among us would lessen.
Australia's most dangerous Islamic State operative killed in U.S. strike (AP)
from the article: How dare Rabbi Amar call Conservative and Reform Jews corrupt?