The lesson that the male lion in this clip teaches us is “don’t harass and steal food from my women, or you might meet the same fate as the Hyena matriarch at 3:46”.
This illustrates that male lions aren’t quite as lazy as is commonly believed. While the females are responsible for both getting food and taking care of the kids, the males have a “military role”, i.e. protecting women and children from Hyenas-and other male Lions. With the latter task being usually a much greater challenge,