Reply To: What are any issues with serving a role in Conservative Shule?

I will try to address the OP: the reason is rooted in the dogfight between the Orthodox and Conservative which took place mostly in the 1940s and 1950s. In that decade, there was a real fight for the soul of the American Jew. Already then, there was a recognition that Reform Judaism was too far removed to be called Jewish and it was a real fight between Orthodox and Conservative for title as leaders of American Judaism. The fight on the Orthodox side was waged mostly by the modern Orthodoxy (as more right winged branches of Orthodoxy was neither threatened by Conservative nor large enough to matter) and YU versus JTS was fought in weekly sermons by the likes of Rabbi Norman Lamm and other Modern Orthodox pulpit Rabbis. JTS and YU fought over Rabbis and students alike and YU/Orthodoxy was losing. Unfortunately, the Conservative movement was slaughtering and shul after shul switched from Orthodox to Conservative. Most American Jews believed then that switching from Orthodox to Conservative still allowed you to remain within the umbrella of the Jewish people while many orthodox Jewish Rabbis prophetically envisioned that Conservative Judaism was going to turn out to be a giant farce that was going to lead to an abandonment of Halacha, intermarriage and soon thereafter the total destruction of the Jewish people in America. A line had to be drawn. As part of this war, YU decreed that any Rabbi receiving ordination in its Yeshiva who takes a job at a Conservative shul (where all the jobs were) is automatically stripped of his ordination. Recognizing that need to essentially place Conservative in complete cherem and niddui in order to save American Judaism, the Orthodox world agreed to take the harshest action against even the most innocent of Rabbis like Rabbis Shaul Lieberman, Louis Finkelstein and Jose Fauer – who were Orthodox but took jobs at JTS. They let it be known that you can be Jewish or Conservative but not both. They declared that just like Reformed was considered by all – not really Jewish – so too was Conservative. If not for those actions, who know how many other countless Jewish lives would have been lost to the fraud that Conservative Judaism turned out to be? It may have been harsh – especially to those like Rabbis Liberman, Finklestein and Fauer but, in my view, it was the only way to preserve what was not already lost.