Masters Racing isn't for the young

Random question.. why do most crit promoters spread the kids and Masters races? It seems to me that most of the Masters racers have kids and would be more inclined to participate if the kids race ran in between Masters waves. And it may get more kids out too.

And don't give me that Kids races are hard whine. It's super easy; 3-5 go 1 lap and 6-9 for two laps. Start everyone together. If it's a short course, double it up. It only gets tricky if you overthink it.