There is absolutely no reason to come down at 3500-4000 feet per minute. Maybe if you or ATC screwed up and waited to long but normal descents should not be that high. The shuttle comes down 12 degree path at 8000-10,000 fpm with a delta wind and no engines. Pretty sure that we dont need even half of that descent rate on a normal well planned descent.
Its uncomfortable for the passengers not because the pressurization system cant keep up but because they are literally bracing themselves on the seat track in front of them. It just shows that you have no regard for their comfort...AND since you are running right at red line (if you dont have the boards out, which I see frequently) you are already 70-120kts over maneuvering speed depending on your altitude and you are running the very real risk of a high G pull up from the autopilot overspeed protection.
None of the other airlines do this as a standard procedure and there is no reason for us to do it here.
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