Why You Should Never Let Your Children Play Under the Slide

Me:  So, how was y'all's day?
Her:  Well, Maddie got in a bit of trouble at school.
Me:  For what? 
Her:  She...took a crap under the playground slide.
Me:  She had an accident?
Her:  No.  She just decided she didn't want to go inside, so she dropped her drawers and plopped a pipe in the mulch. 
Me:  Why would anyone defecate outside?  In a public place?
Her:  I assume that's a rhetorical question, given her heredity....
Me:  My shitting in a pool and a sauna as a lad was for humor, not necessity.  Or maybe both...doesn't that make it okay?
Her:  I'm concerned--her teacher said she's never seen such behavior in 20 years!
Me:  Really?
Her:  I asked her about it, and she said she was afraid of getting in trouble for not using the restroom before going outside to the playground, so she went outside, told a friend, and then the friend told her teacher.
Me:  Sounds like I need to have a talk with her.
Her:  I agree. 
Me:  About how to keep a secret. I can't believe she told her friend!

So, this is totally normal, right?  As in, the sequel to "Everyone Poops" is "Everyone Poops Outside Sometimes"?