Yserbius123,
“Are you saying that you don’t believe that a shul exists where the klal was careless about Corona during the height of the pandemic?”
How do you define careless? I know of a shul that closed a little while after Purim 2020, and then reopened in time for Shavuos. Seating was spread out so tables were 6ft apart, doors to the lobby and exits to outside from the beis medrash were left open for increased ventilation, attendance stayed within the government-imposed limits, hand sanitizer was placed on every table, boxes of masks were provided, and signs were posted directing people to wear masks indoors. But the shul did not actively throw anyone out who wasn’t wearing a mask, so some daveners wore, some did not. And no drastic changes to the normal manner of the davening were made (e.g., having the baal koreh take all of the aliyos) This shul was maligned intensely within the community for daring to reopen, and for being “careless” once other places started reopening. Some mosrim took it upon themselves to harass the shul with repeated calls to the health department, including one made on Shabbos intended to disrupt the davening.