Your lack of logic shows no bounds.
Russia included us because we were not aligned to USA since the soviet time. Turkey has openly supported Pakistan because of Muslim factor. As far as bringing value to russian projects. Well, MKI variant developed for India was later demanded by a number of other export partners. Brahmos missile developed with Russia is now being sold to third parties and also to Russian Navy. Let me know if China has inducted any of JF-17s.
Meanwhile, in India
https://defence.pk/threads/boeing-unveils-an-amca-‘sweetener’.461651/
As I said, Turkey will need a lot of 'Insha-Allah' to deliver a fifth generation fighter-jet. They will be better served by buying one from China J-31. I heard China is offering a good bargain for her fighter-jets.