That guidance is pre-omicron. Someone talking in your face seems like extremely high risk these days.

Pre-delta, even: https://www.wsj.com/articles/the-delta-variant-is-more-conta...

Guidance often lags behind or doesn't match science because of political influence. What's legal doesn't determine what's right, science does.

You can catch omicron from walking into an elevator someone else coughed in.