I think a lot of threads we see here recently are
Astroturfing designed to showcase Bitcoin as an instrument useful to criminals and other destructive forces.
IMHO, it's really dumb of the Bitcoin "old-timers" and proponents to continue to get involved in those discussions, and continue to respond to the same accusations for the n-th time.
On such things, it seems best just to let Bitcoin speak for itself, as every other currency does...