0) Don't schedule the goddamn thing at a time that requires people to drive in rush hour traffic, because they aren't likely to get anything useful out of the meeting anyway,. This adds insult to the injury of adding another hour to our commute, so our day begins with irritability if not anger from inching through the traffic, just to attend a meeting that has no clear point. Status updates can be in email.
And drop the "no chairs" shit. The lockdown had me too sedentary and I developed varicose ulcers. Standing is agony. You can make the brevity point without the histrionics.