Most amazing was the angry Unix coder who unsubbed because We non-Unix people did not respect understand the origins of Linux.
Each & every "volunteer" I've met & worked with, has limits, burnout points and eventually moves onto other interests, Myself included, in the 50 years that I've been in the Australian labor force.
Moderators, YouTube producers & viewers also change their interests & involvem, in the months that we are involved in our communities,
As each of us changes, exits & sometimes re-enter in another or Same role, other persons will be entering, replacing, adding to the Community.
Such is Life & ''Evolution".
Thank you to those involved in the past communities. All of us, myself included, are looking forward to whoever now became involved.
A little off topic: this comment & viewing ... was made using the hand-writing recognition of my Linux computer. Android 4.4 ( a Linux 32 bit operating system) on my Samsung Note 4 Pro 12.2 tablet.