If these writers were smart they would realize that forums like FR discuss their writings. Free PR and a way to expand their audience IF their ideas can survive scrutiny.
If they are fortunate, people will go from "what an interesting article" to seeking out a specific writers ideas.
Yes I do remember fair witnesses. I am constantly surprised how many Heilein readers there are here.
Way back when, I wanted to be one of those, when I grew up. (*sigh*)