@cstross they’ve already figured out manned fighters are an anachronism and gone all-in on drones (Bayraktar, drone division run by Erdoğan‘s son in law).They do have their own 5th gen fighter, the Taan, I don’t see why they’d bother with the Eurofighter:
https://en.m.wikipedia.org/wiki/TAI_TF_Kaan
Long before Trump, they had good reason to distrust the US, like the exceedingly murky conditions under which Fethullah Gülen got his green card. Most Turks, not just AKP supporters, believe rightly or wrongly the US was involved in the failed Gülenist coup.