Your own links kid indicate you have sludge by not using the correct viscosity.
Where are the facts about synlube?
Where is the evidence supporting the claims made?
All you have produced, all any of you have produced, is either anecdotes or general knowledge.
The former is worthless. All the latter does is show that buying a $32 bottle of synlube is no better than buying a $6 bottle of M1 0w-40.
Piss poor salesmanship to say the least.