Delivery time
If the copy becomes distracting in the design then you are doing something wrong or they are discussing copy changes. It might be a bit annoying but you could tell them that that discussion would be best suited for anothe.
Tracking
To short sentences, to many headings, images too large for the proposed design, or too small, or they fit in but it looks iffy for reasons the folks in the meeting can’t quite tell right now, but they’re unhappy, somehow.