All the listed options (A, B, and C) are actually recognized advantages of Business Process Management. Option A - BPM does establish a common language between business and IT. Option B - BPM manages end-to-end customer-facing processes. Option C - BPM increases infrastructure flexibility. Since the question asks which is NOT an advantage and all three are advantages, 'None of these' (Option D) is the correct answer, meaning none of the above options are non-advantages.