I could say so many things about IBLP and ATI, but I think the best thing to say is this...
There has already been a very good book written on the subject. As far as I can see, and from my experiences with this group it is very accurate. The authors are not out to ruin IBLP or Mr. Gothard. They wrote the book so that anyone who really cared could know the truth without getting into the organization over their heads. Mr. Gothard told everyone not to read this book or believe any of it. I wonder why. If it is so untrue, the people close to him should be able to easily see that. The book is...
A Matter of Basic Principles by Don Veinot, Joy Veinot, and Ron Henzel
You want the truth? Read that book.
