So first you advocated a price rise for group bookings for increased revenue, now you want a price reduction for all? Opposite approaches. They're already reducing price on some routes to try to get bookers. But if you reduce everyone's price including individuals it means a more significant loss of revenue, rather than only giving a group discount as the child's price does.
Sure, that could equally be spread to groups in general - but sometimes there are groups of individuals where overall cost is less of a concern since everyone's paying for themselves, which is different from one family getting lumbered with the entire cost. So again, a greater hit to revenue and less specifically targeted including more who aren't so price impacted so price sensitive.
