Jacqui - Charlie Kennedy here
(I would have said Willie Rennie but he is no Kennedy)
The Sensatori's is a
new facility in Calis. It is
not an existing hotel that has "converted" to all inclusive.
Let's assume that masses of previous visitors to Calis have not suddenly decided to stay there (miles away from the centre of Calis and even further from the centre of Fethiye) rather than for example The Oykun.
I don't know how many bedrooms the new facility has but let's assume 200. Even by your assumption of only 10 % that's 40+ more people spending money in the area.
Also the new facility will provide employment for local people. Surely, apart from any other criteria, that is a good thing.