The Show/Hide mixer channels or also known as the "Big Eyeball" is a good UI topic as it is not the norm for music software and takes excessive clicks.
As with most of these UI topics there is a strong overlap in the areas that PGM has broken out to discuss in more details.
This topic is also covered in the Track View.
https://www.pgmusic.com/forums/ubbthreads.php?ubb=showflat&Number=840393#Post840393
There the point is a) Only show populated tracks AND channels by default. b) Add tracks/channels as you need them.
This is the norm optimum workflow used in the majority of music and video software.


Studio One (latest version), Win 11 23H2 , i9 -10940X 3.3 GHz, 32GB Mem, a 4K 40" monitor, PreSonus Studio Live III Console as interface/controller. secondarily test on Reaper, Cakewalk, and S1 on Surface Pro 3 Win 10 (latest versions).