Friendly local celiac here,
Cleaning products might be used on surfaces that can be used for food prep. Cleaning agents that contain gluten may leave behind enough to cause contamination issues on subsequent uses of the surface. To be safe, using cleaners that do not have such ingredients will prevent this kind of issue.
Everyone knows optimal strategic planning is to gather all your high ranking folks in one place but then also make sure you tell everyone ahead of time that all your leadership will be in that specific place and when they will be there.