Aren't there sections of skate parks that basically look like large empty pools? I would imagine heavy rainfall could cause potential flooding and it serves as a basic warning of "don't go in if its full of water."

It’s just like when someone replaces an S with a Z.

I’m pretty sure it was obvious to most people that you were referring to streaming, but considering live broadcast television fits exactly what you were describing and was the norm for almost the entire history of television, are you really surprised people are bringing it up?