Data from Johns Hopkins to compare Iowa to California show that both states suffered spikes in covid despite different policies.

https://coronavirus.jhu.edu/data/state-timeline/new-confirmed-cases/iowa

And:

https://coronavirus.jhu.edu/data/state-timeline/new-confirmed-cases/california

Unfortunately, I am unable to post the charts , but if you look at both, Iowa is showing a decline in their spikes, while CA is still going up.

Just posting this here to elicit intelligent discussion, and not to start a flame war.