None of your statements or mine conflict. 

He is right, but at no point have social media clients on Nostr claimed to be unreachable or hidden.
Only uncensorable. That's a significant difference and anyone that conflates that, is at best, ignorant.

Yes 98% of people may not be technically savvy enough to manage security. 
But 98%of people also don't wan't to. 
That's on them. 

Back to the now deleted account. 
It's easy to observe problems and point them out.
 (I can think of one historical individual that did quite well at that and suggested a framework and solutions that prematurely ended the lives of millions in the 20th century alone)
It's another to work toward solutions and suggest sound, possible paths forward.
 At no point, that i observed, was that ever a part the numerous screeds JP posted. 
In fact, in some engagements, JP was hostile to any observations or disagreements made by people with direct knowledge on the subject of that particular screed.

Vomiting into the void, no matter what kernel of truth may be included, is cathartic at best and counter productive in general.