On the last point, I always place a link with any articles I have quoted, there may be the odd exception over the years but anyone can cut and paste...
What if the ref approaches players? Does the ref have to stand still after making a decision....or move into a space on the pitch to allow captain(s)...
I saw another report that suggested that the effects on air pollution and air quality were likely to be negligible, I'll have a look to see if I can...