This is a fun idea, it would let anyone be a hedge fund manager. List the managers own money invested, other's money invested, commision rate, associated social media accounts, "risk"/diversification metrics, proportional and absolute gains/losses since inception (for what it's worth).
Personally I would still keep the majority of my investments in an index fund, but for a particular kind of person I can see the social aspect is very engaging.
My hypothesis for why it failed is because the only real value Windows provides is with legacy Windows applications, which their ARM platform did not provide (at least to a comparible level).
Assuming you meant pharmaceuticals instead of philanthropy, this comment is right on point. Skreli has got to be one of the most effective activists against bullshit drug policy, in terms of raising awareness (while admittedly causing some relatively minor problems in the meantime). People seem to be misguided by their jealousy in that he was able to do this while making a lot of money, but they fail to consider that this is exactly why he was so persuasive.