DB - they are NOT hover taxiing along a road, they are hover taxiing at the side of the road as it's the line feature throughout that piece of terrain. You seem to keep typing thing that are a twist on events or contradictory and to be quite frank it's tiresome.
Crab and yourself clearly don't like each other and are both highly experienced and in guessing you both were taught by Aunt Betty albeit with different coloured pyjamas.
Due to the nature of this airframe featured we'll never know fully what happened but one day I'm sure the pilot will end up working with us in industry and we may discover more. Who knows; they may have learnt something from it.
Too many people have crashed and died by descending low lever in shyt weather and kept doing 100kts plus. Yes you should turn around ideally, or land and wait, but humans can be stubborn and want to keep going forward. This video demonstrates a sensible option of going LOW and SLOW. Who knows; it might even sit in the back of other pilots minds know; either don't be there in the first place or go low and slow along a line feature.