This article does not support your conclusion. It says:xbournex wrote: ↑ Stop pouring money into masks that don't work.
https://www.cidrap.umn.edu/news-perspec ... xperts-say
"...because no studies have been done on the effectiveness of cloth masks in preventing transmission of coronavirus to others, it is impossible to assess their benefits, if any."
That means they dont know and cant say either way. It does not say they are not effective.
There are other studies that say they help.
https://rs-delve.github.io/reports/2020 ... ublic.html
Until n95 or 99 become common usage, if confirmed as beneficial, is a reasonable option if used properly. Beside you can easily make a cloth mask N95 by adding a filter.