I’m working in the Tampa area. Flooded pools are almost unknown. But your comment is correct. I count flooded pools as damaged or flooded building.
You are correctl that if the pool floods, the house also likely got water in it. Even if the pool flooded & the house was not it will be expensive to muck out the pool, replace pumps & filters, etc.
Potential confusion between blue tarps partially covering partially damaged roofs and blue un-flooded pools is what I was trying to describe.
Part of the problem is that many pools are located very near to houses. There isn’t enough resolution in the “after” image to be certain. When I’m not sure I flip back & forth between the before & after images. Nearly always I can identify a pool snuggled against a house in the before image.