I would love the Touch Bar to be dim all the time. The only setting I found (System Preference -> Keyboard -> Keyboard) has a minimum of five seconds. Is this possible now? If not, is this even a possible BTT feature to ask for?
For BTT current version are not capable to do that.
from system preferences also don't have any setting to set dimming time for your touch bar. the settings that u was looking its for keyboard backlight not for touch bar.
the touch bar always set to 60 sec to dimming then 15 sec to completely off after no activity.
but if your keyboard backlight set to below 60 sec, the touch bar dimming will follow that which is currently the minimum time u can go is 5 second.