You make "develop[ing] startup-like things they can sell" sound like it's easy, or at least deterministic.
Without even considering the impact of luck, there can be no doubt that building "startup-like things" takes enormous effort and dedication - and those can only rarely exist as secondary concerns in another organisation.
Without even considering the impact of luck, there can be no doubt that building "startup-like things" takes enormous effort and dedication - and those can only rarely exist as secondary concerns in another organisation.