With regards to 2 kings and the bear mauling story, the words used to describe these "youth" are na'ar qatan. na'ar alone could mean anything from child to young man, but the qualifier qatan means little, so the verse is definitely talking about children. Either way killing 42 young men is no better than killing 42 children.
10:50 he starts talking about it.
10:50 he starts talking about it.