The Brits/Turks on the other hand have a strategic vision: the development of a new generation air superiority fighter akin to a European equivalent to the US F-22. BAE Systems brings a lot of expertise in this regard from its previous research into LO aircraft. The British Aeronautical Society article also implies this.
News coming out of Ankara indicates that there may be more European partners who join the TF-X program in future after completion of the pre-design phase. Germany stands out in this regard.