I think maybe this hypothesis was put up here, but I'm going to articulate it myself: Could the "kill shots" be giving people who know they would face public scorn, trials and lengthy prison sentences or public executions a chance to remove themselves from society?
https://www.zerohedge.com/markets/kyle-bass-warns-president-xi-wants-lower
https://www.naturalnews.com/2021-09-20-cdc-dod-running-black-ops-missions-to-release-pathogens-across-america.html#
He mentions the Disney Land measles outbreak.
https://www.huffpost.com/entry/spider-bites-cdc-ethics-c_b_12525012
This story is old, but I was reminded of it because of the mention of a "spider".