There doesn't seem to be any difference, it's just an all-too-common cliche story.
At the beginning, Cheng Yanshuo said: Children, don't you have a home?
Later, Cheng Yanshuo said: Okay, take in homeless children.
Later, Cheng Yanshuo said: Children, this is not my home.
Finally, Cheng Yanshuo said: Children, I have a family.
The choices adults make are just choices after weighing the pros and cons.
Intention: Intention to be added