Many Greeks, and several EU governments, want the internationally recognised Greek-controlled bit of the island brought into the Union, whatever the Turks and others may think. Otherwise, says the government in Athens, it will block the entry into the EU club of ten other countries, an incomparably more important event.
I already gave you the answer but you couldn't get it, I think. The "RoC's" EU membership is the only victory of Greece gained by abusing the veto power granted her by EU.