Ko.Fe.
Lenses 35/21 Gears 46/20
solid insight, well expressed, and true for me too.
Sorry, but... those M8/9 high ISO talks...
It depends how big is your and their fear dictated by misunderstand technicalities. I'm not in the group of yours, who are chicken out at ISO 1600, just because they don't understand the exposure capabilities of M8/9 sensors.
Shooting with technical confidence, M-E ISO2500:
But if all of you are poster size only printers, my apologies, then. Just not sure how it is framing with "amateur" acknowledge in your quote. I'm the amateur and I have zero problems with M8/9 ISO 2500 prints.