How is this different than telling people to do a PhD, then run your own research group as a professor, get tenure and get lifetime job security?
Or work in start up, get acquired, and chill after ?
Or work in start up, get acquired, and chill after ?
The path I outlined in my OP is a _very_ common path that people take in Australia and not at all unrealistic. The barrier to entry is drastically lower, and the access to funding/capital is far easier.