"in one of our projects to build an open-domain chat system, the success metric...imposed by senior leadership had no scientific grounding and was borderline impossible to achieve...This introduced...conflict...leading to manager churn every few months and an eventual sunsetting of the effort"

How Alexa Dropped the Ball on Being the Top Conversational System on the Planet
mihaileric.com/posts/how-alexa-dropped-the-ball-conversational-ai/