I don't quite understand the reason and the article doesn't give much context.
It seems it has something to do with leadership?
Kerner urged Berlin not to compromise with Dassault, accusing the company of insisting on sole leadership of the programme.
[...]
Dassault declined to comment. In July, CEO Eric Trappier said the FCAS project - or SCAF in French - needed clearer leadership as partners prepare for a second phase involving a flying demonstrator.
https://en.wikipedia.org/wiki/Conspiracy_theory#Difference_from_conspiracy