It is true... But what happens is:
People are googling stuff. Google doesn't care that it is two years old. The guy reads the posts, does not really pay attention to the dates.
The guy thinks that he has something to add to the discussion, so he sets up an account... Types up his reply and is on his merry way.
We regulars; we respond ( not looking at the dates) then the saga gets a new life. That is; until a member that pays attention to detail a points this out. We all then feel like doofuses.
How do I know this? I've done it lol.
Now contrast this to the other possibility:
I guy sets up new account,, then asks a general knowledge question. This is when the old timers shake their canes at him and tell them "try google next time!"
And there you have it.....
You should never sell grandpa's guns (just to stay on topic)