Thanks Bearcat, well aware...
I just think the post was adding little to what has been said ad infinitum so far, and sounded 'alarmist' in it's use of phraseology..
Flying 'through coffin corner without airspeed data'...
The a/c was probably flying up in that region and then lost airspeed data (probably)...
A very different emphasis, no ?
PS. We also don't know it was at max alt for its weight at the point