Because Turkish Gamers want Turkish Lira Support for Steam.Steam has Turkish Language support but no Turkish Lira support.Every Turkish Steam User is waiting for Turkish Lira support.Turkey's Game intake rate has increased in this 10 Years.Turkish Gamers are buying many games.Turkish Steam users are big part of Steam Community.We are using Turkish Lira in many sites and many game platforms.We Don't want to use dolars in steam.Because we have our own currency and we want to buy games with our currency.When we use dolar in Steam we pay more money than Turkish Lira.I hope you have noticed.