Aren't there drains specifically meant to limit the possible pressure differential, after people's organs got removed by ones than didn't have that feature?
Relying on a human operator for safety when you could make something inherently safe still seems like a design issue.
I haven't been to many pools, and only ones with a shallow end, but I don't think I've ever just seen an open pipe hole
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[ 2.9 ms ] story [ 14.7 ms ] threadDelta-P is not to be messed with.
https://youtu.be/AEtbFm_CjE0?si=_NPIJFUWGYNb_Jx8
Relying on a human operator for safety when you could make something inherently safe still seems like a design issue.
I haven't been to many pools, and only ones with a shallow end, but I don't think I've ever just seen an open pipe hole