Why Turks get all excited about 'Palestinians'

Why do the Turks get so excited about the 'Palestinians' where they pretty much don't care about other Muslims? This article in Turkey's Hurriyet is mostly spot-on. But why do the Turks have the “Palestine fetish” even though most of them can’t point the Palestinian territories out on a map? Why did they not raise a finger when, for instance, the mullahs killed dissident Iranian Muslims? Why did