Good post. Certainly outdoor settings, like a Trump rally, with crowded people and prolonged exposure, is a high risk venture. Walking outside with few people where you can also keep a distance is low risk.
There is NO scientific justification not to wear a mask indoors with groups of strangers .
Covid needs a human vector to live and spread. Take that away and its pretty much gone in one month.
Trump just needed to encourage people to be smart and follow the doctors and science lead on this. But he didn't and he still doesn't care a wit that his rallies endanger his followers.