Conclusion sparked by the thought that nobody can be stupid enough to believe masking/not-masking is a purely personally risky behavior. You have to willfully ignore how you're socializing your risk. The "tell" is the companion eugenics focus on "only old/sick are vulnerable"
I suspect you overestimate the average person's capacity for clear reasoning.
Yes, a blanket anti-mask stance is dumb, but you might be focusing on the most embarrassing & poorly communicated offshoots from a space where there is some truth: