For each person who is willing to speak up and say they don't understand something, there's usually dozens more who silently are wondering the same thing. Even if the parent commentor didn't want an explanation, they opened to floor for others to help out the silent folks who actually were curious as to the explanation.

Do you really think they're "mansplaining" to the user identified as bookofjoe?

Pretty sure they're all women.

What’s the harm? Parent can choose to not read if they want.

This made me smile.