I'm allowed to insert webp but not webpoo, why?

[Le b0wski]

 

[Pagan Min]

webpoo? Who do you think you are, a filthy Indian??? Getouttahere!!!

 

[Daddy's Angry Juice]

thats what we should call this era of the internet when everything was flooded with indians. Web poo.0

 

[We Are The Witches]

Because as stated, it's not a supported format.

 

[Myron]

webpoo would clog the internet tube plumbing that's what your poo bucket is for or did you forget?