That is certainly a consideration - combined with no insulation for the first few inches.
Yet ... with hindsight being 20/20, probably the first thing that should have been done was to have a gypcrete contractor come in, and float in a dead flat floor that sloped ever so slightly to the sump. A few more floor drains mioght have helped as well.
While the floor looks flat and level to the casual observer, get down at base molding level, and you see it has more waves than the Pacific Ocean - and the flood revealed the sump was ever-so-slightly higher than the rest of the floor. So, step #1 is assuming water will enter - and step #2 is making sure it has somewhere to go.
Wood framing soaked water up like a straw, and metal framing pooled water in the bottom track.
The intricacy of the carpet layout made re-use impractical. I think a patchwork of area rugs, rather then wall-to-wall,
might have been a better choice too.
