Reply To: Is “shushing” the “shusher” nekama?

Copypasta but good copypasta:
Many people are aware that Rav Yom Tov Lippmnn Heller zt”l the Rav of Cracow and the author of the Tosfos Yom Tov composed a special prayer, a mi sh’bayrach, for those who refrain from talking during Davening. Unfortunately, not all of us have reached this ideal yet, which is why the Tefilah of the Tosfos Yom Tov was necessary.
The Shulchan Aruch (OC 124:7) discusses the terrible Aveira of talking during Shmoneh Esreh. Indeed, it is the only place in Shulchan Aruch where Rav Karo uses the expression, “ v’gadol avono minso — his sin is too great to carry.” It would seem that Rav Karo employed the language used by Rabbeinu Yona in his Igeres HaTeshuvah ( section 6). The Mishna Bururah (124:27) cites the Eliyahu Rabbah that a number of shuls ended up being destroyed on account of this violation.
The Tefilah of the Tosfos Yom Tov was composed during the Chmelnieki Massacres 1648-1649 (Gzeiras Tach v’tat) where some 300,000 Jews were murdered by Cossacks under his leadership. The Chida explains that it was revealed to the Tosfos Yom Tov from Heaven that the talking was the cause of the terrible tragedy. We still recite the special Mishebayrach to this day in many communities throughout the world.