<i> A similar accident happened to the Thunderbirds in the "Diamond crash, where 4 T-38s were lost </i>
The preliminary reports on the T-38 crash was an manfunctioning stabulator on the lead aircraft caused the loop to be wide. The other aircraft followed the lead aircraft into the deck.
Are you saying the Luftwaffe told their pilots not to follow others so closely in formation or the root cause of the accident was the lead pilots lack of awareness in his altitude?