Some of these people are really crazy farmers. https://bitcointalk.org/index.php?action=profile;u=704041 He started writing professionally on May 18th, and since then wrote 3767 posts! It's about 14 posts every single day for the past 9 months.
As the typical farmer, he started with a calculated one-post-per-2-weeks to build op "potential Activity". When he reached enough, the post spam started for a quick level up to start the signature earnings.