You really know how to ask the tough questions!
Mamma's little cubs didnt come from divine intervention. So papa is around somewhere, if not some other boars.
Mamma isn't dumb. She knows the value of three squares a day for her little ones. However, it is pretty much a universal fact that once a person establishes a "feeding station" for animals the word spreads fast and pretty soon everyone in the woods is bellying up to the feeding trough.
Kendall