I would suggest that the already existing megathreads containing repeated topics and replies be closed first especially those ones at the Bitcoin discussion board even if the solutions mentioned here are not implemented.
Here's an example of a
thread that needs to be shut down immediately.
Shutting down megathreads won't help much if posters are allowed to recreate them. You close 1 megathread and another with a similar name will pop out hours later and start getting filled with generic answers.
Also, it's not like our OP hasn't posted in a megathread before. For instance he did in
Have you ever borrowed fiat to get btc? on 19th page, right below dozens of generic yes I did, no I didn't. Or on page 69 of
Bitcoin in College???