Upload & Sell: Off
'But whenever pixels are moved around, sharpness suffers, there is no silver bullet.'
My thoughts exactly, and I point readers to this piece on 'contrived' and quite extravagant distortion, designed to be fixed in post (in-cam or RC), seemingly factored into lens design parameters:
Sony do something similar with the 16-50/2.8 zoom, I believe..for CA control as well. I am old school myself, I feel if you give the designers too many degrees of freedom they will eagerly grasp them.
You are shooting with a computer for a computer, and it may get worse than this over time.