This probably explains the previously mysterious drop in Delta cases in the UK. In the U.S. why shouldn't we just shoot for herd immunity now? Not sure how effective restrictions and mandates will be in slowing things down and the costs to mental health and quality of life are so high.
We seem to be trying to "flatten the curve" and "slow the spread" to needlessly take extra long to get to the same final place - natural herd immunity.
Same with slowing the spread. People did not listen.
Because they were "free critical thinkers who can reach their own conclusions thank you very much". And they were wrong. And now they've put us here.