I have that video and also show it to my trainees...
But as I recall the video was exactly that .... a training video with the aircraft flown by a test pilot. It was not an unintentional hard landing.
The hard landing limits is 2.6 G if converted this works out to roughly 7 to 800 feet/min. Calculation in relation to DFDR read outs.
Every company has its own view on GAs in low vis situations and the governing factor is safety and one cannot generalise. That is why the simulator training.