What I don't get about the Vision Fund is how so many of its investments lack (pun intended) vision. Other than the ARM, Nvidia, and a few billion in biotech (about $3 billion[1]) investments, so much of the fund has gone into pretty "obvious" traditional startups. If I had a $100 billion fund, I wouldn't be swinging for these singles and doubles (which Uber and WeWork were by the time Softbank got involved, although…
The problem when you have so much money to invest is that your customers need to actually invest it. It's much harder to invest $1-$5M at a time when you can just go back to the WeWork pool and drop $2B. It's like painting a wall mural using fine tipped brushes, rather than wide paint rollers or a paint gun. You get the job done so much faster, but your quality will suffer tremendously.
Come to think of it, it has many similarities to Google X. But that's extremely hard to build.