The guys questioning the age of the Nebra sky disk (Krause and Gebhard) believe in the authenticity of a very questionable gold treasure [0]. From the outside, it appears that their gold treasure is clearly fake, and now they are trying the attack the more prominent Nebra sky disk (and the associated researchers) in revenge. It's not a good look for German archeology.
[0]: https://translate.google.com/translate?hl=&sl=de&tl=en&u=htt...