I have an idea: within the first 20 minutes of the game, if at least 75 percent of a squad eats at least one tray of food while sitting at a table in their designated mess hall, they get a squad wide "cohesion" bonus. Higher pull speed of fellow squad mates, you heal squad mates a little better with ointment/gauze/ATK/BK, SL issue orders are slightly stronger for that SL's squad, SL tracker updates a bit faster, etc.
Nothing gamebreaking, just a bonus for squads *cough charlie cough* that have a proper breakfast like ridley scott intended