Originally Posted by THE TECH
Without rereading that thread, I believe that the failure was assumed to be that the bolts weren't tightened properly which had nothing to do with the spacer.
That whole thread was a very interesting read. However, I do not believe this ^^ to be the conclusion. I believe The Hack expressed very well the different failure modes that could have taken place, and spacer defect is one of them. Without more data it was not possible to determine the exact cause.