Then all of the “professionals” are suffering from “hypercapnia” (or from fake/exaggerated reports).
From the CDC.
https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/diy-cloth-face-coverings.html
Use of Cloth Face Coverings to Help Slow the Spread of COVID-19
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How to Wear a Cloth Face Covering
Those health professionals aren’t wearing them continuously. The PSA refers to people who wear them more than what they should. There are people who start their day putting on a mask and don’t take it off until end of day.