metrics driven development has killed facebook.com. On its own, it is too short sighted.

How do you measure long term success? hint: u can't.

Blind application of ML is therefore, also dangerous for similar reasons.

metrics are useful for tightening the tactical decisions like, fuck, our landing page conversion is low so let's invest there, but strategically metrics are unable to be creative and innovative and all the other things you need for a great product.