Having the 'Turkey stream' gas pipe going through Greece where Greece collect transit fees from Russia, lifting visa restrictions for Russians to come to Greece so they holiday/invest in Greece instead of Turkey and Egypt, and trading more with them selling them Greek produce etc benefit Greece, it has nothing to do with any sort of 'alliance' or 'orthodox brotherhood' or whether they like us or laugh at us, its about trying to generate revenue for Greece, which is becoming increasingly difficult under the European terms of privatisation and austerity.