first time hearing Galt's Gulch.. checking

I agree with your approach. However, Galt's Gulch was based on the fading away silently strategy.

Undisciplined

Not quite, I only left my newsletter there, not leaving any social media to be followed.

Trying to make things simpler - can I just live my life and focus on learning and creating.!

nemo

to some existing audiences? 

I think it's better to give some heads-up in advance: hey, I'm closing this account and if you would like to hear what I'm up to, here are the ways...