Earlier quoted context omitted.
Think of what the Vision Fund could have achieved with this mindset. I’d love for a billionaire to offer 18-25 year-olds, $25k for a summer to explore new projects. You could fund 1000 kids with promising projects for $25 million. If the next great innovation will start as a toy, we need to encourage people to make more toys.
Isn't this what universities basically do with graduate students? They tend to be a bit older, the pay maybe a little less, but universities does allow pretty high level of freedom. Of course there are lots of problem with academic culture, like overemphasis on maximizing citation count. But the setup you describe will also require some form of simple metric to track progress- to ensure that 25k isn't going down the…
Proper staff scientist jobs would help break out of this mould and might even be more cost-effective by reducing churn in the lab and providing people with more guidance.