Please see the following link for a short but illuminating talk by Chakravarthi Ram-Prasad which reflects on some of the reasons given for why Philosophy should be thought of as a largely Western affair and why those reasons fail.
https://www.youtube.com/watch?v=davqrJU97Ck
I especially enjoyed the discussion of the presentist approach and how it can equally neglect South Asian philosophy as well as the history of European philosophy.