Atarurk had a lot of great ideas. Most of them were subsequently abandoned and still Atarurk was simply less problematic than the Ottomans or Law and Justice. It’s an asshole country. I would open my mind if they recognized what they did during WWI and maybe gave up Constantinople or at least pay indemnities to Greece and Armenia. The natural borders of that country is literally what outlined in the Treaty of Sevres.
I don't understand how you can support Atatürk and Sevres? This is like saying "Maximilian Robespierre was a great man, but France should have kept the monarchy". Atatürk's entire ideology was building a Turkish nation out of the graveyard of the ottoman Empire, for better or for worse - there's a reason the infamous greek-Turkish mutual "population exchange" happened under his rule.