As a (web) developer, I find the touchbar not so attractive possibly because I do not use photoshop (or just minimal usage) or DJ ? And I work on two external monitors typically.
Function keys are generally useful, and being used all the time. I use these keys to jump between functions and locations, and look ups. Ah, and I don't look at these function keys when I use them.
When I'm doing coding/writing, my focus point is the cursor, and around 70% of the screen. I even get into distraction-free mode sometimes. Touchbar becomes a distraction. And typical articles can be written in markdown without colors. And I constantly switch to different apps, imagine this, when you switch apps and your eyes still be able to see a fraction of the touchbar. The icons on touchbar are constantly flickering...
A lot of the (potential useful) functions/features (not photoshop or dj) discussed can be achieved by
Alfred Workflows. We are the 'Pro' users, aren't we?
TLDR: Focus is needed. Introducing habits that's not applicable on other machines (<late 2016, windows etc.) seems a waste of time.