Long story; Shortened debate question below. We have Monkey Joes here which has a few bounce houses solely dedicated to those under the age of 3. There are two that I consider the "big kids" because they are hard for even my athletic son to navigate. And about 3 more that are in between. My large 4 year old was jumping over the rail in the big kid one that has a basketball goal. I had asked him to move out of the 3 in between ones several times because people kept putting their little bitties in with the big kids. So when a mom and dad put in a baby that couldn't walk and a toddler that probably weighed less than my 7 month old, I raised my eyebrows and expected one of them to get in with them. Neither did though they were both in their socks and their are plenty of signs saying it's allowed. I told J to be careful really really really loudly because there were babies in there with him. The parents smiled at me. So of course J kept bouncing over the railing and the toddler tried to climb it at the same time which resulted in a lot of tears. I called for Jason and the dad actually looked at me and said "that's fine if you don't care". Like I was being neglectful. It kind of aggravated me and I went ahead and made J apologize though I really was thinking the dad/mom owed their kid the apology. What really upset me was J didn't have a nap today and he'd been trying so hard to be good and actually hadn't done anything wrong but it was the last bounce house not full of toddlers (Sunday is usually empty but it rained today) which meant we left.
Anyway, that's the background.
Debate Question: In situations where big kids are thrown in with little kids, which set of parents is more responsible for ensuring the safety of the little kids?