Earlier quoted context omitted.
> Very nice write up. However, who is the audience? Any pixel-peeping digital photographer, so millions... > A serious photographer will try to maximize quality with camera gear that starts out with strong baseline IQ potential - Pro camera, large sensor, quality lenses.* You'd be surprised. There are other elements "serious photographers" sometimes optimize for, including weight, stealth, convenience, and so on.
If a pro photographer is on an assignment, sure they're almost certainly going use a high-end camera--probably a full-frame DSLR/mirrorless. But a ton of "serious photographers" aren't always on a photographic mission and, for them, something they have on them anyway that they can take good photos with anyway is pretty attractive. I'm "serious" for some definitions of the word and I definitely don't bother to haul ar…
And even here, "almost certainly" is the key term. E.g. Alex Majoli shot wars for Magnum Photos with compact digital cameras (this one: https://www.dpreview.com/articles/9257233153/olympusc5060 ) and won awards.
And of course tons of pro photographers have shot with the iPhone and such phones. Even more so in photojournalism, street photography, documentary photography etc.
Now, ad work, wedding, magazine portraiture, etc will of course mostly use their medium formats or $10K mirrorless setups...