The thing that stuck out for me, is that the mentions of product managers is almost non existent. Beyond calling out "reality" that most product managers hate s

The thing that stuck out for me, is that the mentions of product managers is almost non existent. Beyond calling out "reality" that most product managers hate sales (really?). A strong product manager is qualifying the product requests, is pushing a roadmap that's opaque where it needs to be, is making judgement calls on revenue vs. "win the customer" probability, (in some firms, work with marketing to) is preparing white papers on what is possible with the product, and often ends up recording demo videos, or writing demo scripts for pitches that show what is possible. If anyone but a small percentage of the most senior engineers, has spoken to sales - you're probably doing it wrong. I've worked with some excellent, and some terrible, product managers, as a developer, team lead, delivery lead, and as pre-sales. The worst think their job is all about features, and a great product, but completely miss the product <-> market fit, rarely talk to customers, and have an attitude towards sales that is not productive.