Pure non-sense. The man behind it all already predicted something similar in the past so I don't believe for a second what they're saying, it is causing just a huge mass of confusion, however I'm curious as to what their response will be once they're realize it's not going to happen in that day. Does people read the Bible? Jesus said nobody knows the date...
Is The End Nigh We'll Know Soon Enough
Religious Based News
May 21, 2011, according to some Christians, is Judgment Day, when the true believers will fly up to heaven while destruction befalls the rest. Disciples of this message are spreading the message of God's imminent wrath and feverishly preparing for the Final Day.
Source: NPR Topics: Religion
The man behind this idea that Judgment Day will be on May 21st also predicted in the past another date (but at that time he said there was a probability that it wasn't the case) however in this case, he said he is 100% sure. Robert Fitzpatrick said he spent at least $140,000 of his life savings advertising his prediction that the world will end May 21st.
The USA Today has compiled some frequently asked questions about the May 21st Judgment Day: Source 3
Honestly how can anyone believe this or even follow the guy. He's been wrong before so why spend all this money and be wrong again? You know what's going to be even more disappointing... When May 21 comes and goes and these people feel kind of silly about the whole thing. I hope no children are subjected to anything because of this.