You're basically saying "that's the way things work now, and therefore it is right". In a sense if you define "philosophy" as "whatever is actually happening i

You're basically saying "that's the way things work now, and therefore it is right". In a sense if you define "philosophy" as "whatever is actually happening in philosophy in academia today", then your argument is tautologically correct. I think the author (and incidentally, I, too) has a different definition of philosophy, which, in addition to the activities you describe, also includes people coming up with original ideas without studying all those ancient texts.