it's mild, they said, page-243

It wasn't about "you haven't debunked that droplets are airborne and the primary vector of transmission."

It was about the difference in what they consider to be Aerosol / Airborne vs droplet transmission.
It was originally stated when covid broke out that it was not airborne and was spread by droplet transmission. It has later been argued that it is aerosolised and airborne. Hence the article relating to air flow.

There have been studies showing that heavier breathing will spread more aerosols whereas sneezing will deliver larger droplets with a higher load.

Basically this is what I was referring to:

https://www.who.int/news-room/commentaries/detail/modes-of-transmission-of-virus-causing-covid-19-implications-for-ipc-precaution-recommendations