@flyflye Can't tell you much about THY because I didn't work there. The biggest issue from my point of view is the downfall of the Lira in the last years. The Lira lost in the last 3 year 45% against the Euro. Against the USD the Lira lost 67% in the last 3 years. So as an expat you have a look at you banks statement and literally you see the meltdown of your salary.
From my point of view they are already on a crossroad and need implement the necessary changes (not only in point of HR), but hey I'm just a member of PPRUNE, not a member of the THY Management team.
From my point of view, the "gigs" with EK, QR and "the airline which is not allowed to be named @pprune" are def. better then THY. But all of them have their ups and downs.