I glanced at that link and it was meaningless. All I know is the Scripture clearly states that some “will not sleep,” but will go directly to the Lord. That tells me that for some there will be some kind of occurrence and the only thing that explains that is a Rapture. Now, can you tell me your explanation if you think the Rapture is a false teaching?
16 For the Lord Himself will descend from heaven with a shout, with the voice of the archangel and with the trumpet of God, and the dead in Christ will rise first.
17Then we who are alive and remain will be caught up together with them in the clouds to meet the Lord in the air, and so we shall always be with the Lord.
18Therefore comfort one another with these words.
2 Thessalonians 2:7. For the mystery of iniquity doth already work: only he who now letteth will let, until he be taken out of the way.
It's a false "fundie" teaching, but you _want_ to believe it, so you will.
For those who are interested in a more scholarly treatment of the subject, this will get you started.