[greenyoda]

It's not just a problem in startups. Even in larger, established companies, people get promoted into management all the time without having had any leadership experience, training or support. (It happened to me.)

In a startup, you don't even need to get promoted into management. A founder who has hardly any experience as an employee, let alone as a manager, can just declare themselves to be the CEO or CTO. I suspect that such lack of leadership experience among founders contributes to the failure of many startups, once they get to the point of scaling up and hiring employees.