The real truth ? I did you the honor of at least looking at the site, and this is what I discovered.
Think about it. Our history is rooted in the Millerite movement. Based on William Miller’s calculations of Daniel, he ended up with a date: 1843-44. After the failure of the date, Hiram Edson got a vision while walking through a cornfield which explained the situation.
Here
I can’t speak for the rest of them, but I do not dismiss Revelation, and I did not claim to “know it all” in the great scheme of things we probably know very little.
Jesus said there would be wars and rumors of wars, but it is not the end.
The Acts Of The Apostles
7 But he said to them: It is not for you to know the times or moments, which the Father hath put in his own power:
Thank-you, it’s a welcome change from being called the w.o.b
Jesus gave a lot of advice, it would be better to trim your lamp, don’t put it under the bed, while lit that is,

and make sure you have oil, in other-words be ready, because we don’t know when He will return.
Matt:25
Matt: 24:36 But of that day and hour no one knoweth, not the angels of heaven, but the Father alone.
So even if you think you have deciphered Revelations, you will not know the day or the hour, better to be ready instead of worrying about it, as Jesus said.
Matt:6:
34 "Therefore do not be anxious about tomorrow, for tomorrow will be anxious for itself. Let the day’s own trouble be sufficient for the day.