It's tough for Turkey I bet. Water is one of the worlds most important assets, and Turkey should ensure their water supply for the future droughts that are coming, but destroying such history rich area is tough.
I can’t comment on the specific project, but it could do the opposite. Dams eventually silt up and the changes in waterflow can cause a lot of other undesirable changes. If planned poorly enough, hydroelectric shouldn’t even be considered renewable energy.