Welcome to my attempt at INTJ-ing my ADHD by trying to organize my scattered brain into coherent and cohesive vignettes about how to navigate life in the dysfunctional yet wonderful world that is software.
Product managers started out as ex-engineers. The "non-technical PM" movement was a miscorrection to address the industry's need for product managers to be strategic.
Cybersecurity has a vendor problem. Nothing is truly secure, so they aren't really selling 'security'. They're selling threat mitigation and risk minimization.