While of course there are startups that engineer novel and industrially relevant products, I have to agree that "startup culture" is indeed largely synonymous with "apps" (web, mobile, b2b, saas, marketplace etc.) and that this is, as he calls it, "narrow entrepreneurism".
"Narrow" given there is a vast global economy in need of hard engineering innovations - agriculture, mining, construction, energy, chemicals, biotech, manufacturing, machinery, vehicles, aerospace, science/discovery, environment/planet, telecomm, computer hardware, robotics. On the other hand apps, marketplaces, SaaS, AI, blockchain, RPA, most of the world doesn't really care about it and perhaps they shouldn't...
"Narrow" given there is a vast global economy in need of hard engineering innovations - agriculture, mining, construction, energy, chemicals, biotech, manufacturing, machinery, vehicles, aerospace, science/discovery, environment/planet, telecomm, computer hardware, robotics. On the other hand apps, marketplaces, SaaS, AI, blockchain, RPA, most of the world doesn't really care about it and perhaps they shouldn't...