I tend to agree with this - it strikes a chord with me as a hobbyist. Full-on professionals where speed is everything would think differently perhaps but I'm happy to take my time.
Now, I love the Z7, the thing is a total beast and being a life-long Nikon fanboy its familiar UI means I can get on with the job with virtually no niggles at all. Seeing the results obtained by photographers whom I have the upmost admiration for (Nigel Danson is one, Lefty of Chez PFM is another) it's a very serious tool. I find it very difficult to approach it as just being a tool though (darn well wish I could!) same with my Clarinets, something has to 'feel' right for me to enjoy the task it is designed for. The Leica had this in spades, but seen objectively as a tool it cannot get near the Z7.
I've owned a few other cameras which, even if distilled slightly, have a similar 'pick me up' feel: Oly Pen F, Fuji X100*, X-Pro1, D700 - the strongest of these is probably the Pen F. I'm wondering if the Zfc might be along those lines?