Nor am I, hopefully. Most cases are easy--when you really are sick (uncontrollable cough, fever, sneezing, nasal congestion, etc.) then stay at home. But, at least with me, I'm a life long allergy sufferer. I often get a sore throat, sneeze and cough, and nasal congestion is not unusual. I take Flonase every day, but still have days that I would appear to be sick to many people. The only time I got Covid that I know of (June 2022), it started with a sore throat (again, not unusual for me), but by the second day I had a slight fever and I knew something was up so, of course, I stayed home for the recommended time. But if I stayed home every time I had a sniffle or I coughed, I'd never leave my house.
And what about the people that can't afford to miss work--they don't get sick days. Unless they are really sick, they need the money and they'll go to work.
And then sometimes, you can't just stay home, though some-especially here, will disagree. I got a stomach bug last Friday night after the rehearsal dinner for my daughter's wedding. I felt like shit the entire day and night of my daughter's wedding. I did my best to stay somewhat clear of people--but I was the father of the bride and there's only so much you can do at a large wedding reception. I was not going to miss my daughter's wedding and celebration unless I was damn near death. If that makes me a bad guy, then so be it.