This is a good point, and also its worth another note (from the linked article): Palihapitiya put $6 million into the company upfront, he said, and has committ

This is a good point, and also its worth another note (from the linked article): Palihapitiya put $6 million into the company upfront, he said, and has committed $20 million over the next three years. The article goes on to note that this was a personal investment, not an investment of his fund. So, all things considered, perhaps not so surprising that he chose to exit opportunistically.