This article has a story of a man throwing a boy, but doesn’t say the reason why he threw the boy.

https://edition.cnn.com/2022/12/06/us/boy-thrown-mall-of-america-settlement/index.html

Edit: Here is an article with the reason given by the man:

https://abcnews.go.com/US/man-threw-year-mall-america-balcony-tells-police/story?id=62423602

He said he came up with a plan to “kill someone at the mall” on Thursday and indicated that he was angry because women at the mall had rejected him.

So it looks like the comic is referencing an actual event.