Not considering Greece would just veto any attempt.

After 1996, Greek Foreign Minister, and later Prime Minister, George Papandreou charted a major change of direction in Greek-Turkish relations. He lifted Greece's objections to Turkey's EU aspirations and energetically supported Turkey's bid for EU candidate status.

In September 2017, Greek Prime Minister, Alexis Tsipras, mentioned that halting accession talks with Turkey would be a strategic mistake by the European Union, amid a war of words raging between Germany and Turkey.[60] Also, former Greek Prime Minister, George Papandreou, has urged European Union leaders to keep the doors open to Turkey and to continue dialogue with the Turkish government, in an apparent reference to German Chancellor Angela Merkel’s calls for the suspension of accession talks with Turkey.[61]