The WTS has been corruptly marketing the end times Armageddon soon for over 140 years, you could say it was this marketing effort which actually made the WTS and created religious following the Jehovah's Witnesses (public sales representatives) expand in accountable numbers over the years.
One could also say that the Watchtower Corporation made the biggest religoius scam in the vein of organized unregulated charlatanism in the 20th century