The point is that the Turks not only have never accepted what was done, they not only lie about the genocide, they celebrate it to this day.
That tends to stick in people's throats.
Imagine Germans throwing an annual festive party on JudenFrei Day.
The point is that the Turks not only have never accepted what was done, they not only lie about the genocide, they celebrate it to this day. As an example, see a_turk's post #23:
August 30, 1922. The day the 3 year occupation of Western Turkey by Greek forces ended.. Long live August 30, 1922.