And then we get to what I was trying to state in my original post.

I don't have a strong opinion that it's good or bad practice, I just thought it was a clever thing to do about it.

Edit: I think I was thinking of https://qht.co/item?id=17636032 / https://www.idontplaydarts.com/2016/04/detecting-curl-pipe-b.... Wow, it's been a while.