There are literally 0 people I know who think owning a house is not an investment.
If you're trying to make a distinction between income generating assets and assets that don't generate income, you're just digging yourself into a hole - housing doesn't generate income, but it does save cost - namely rental cost. In that sense, it is a better investment because the return is less risky.
> 2. Whatever remaining money that is deployed as capital, is not done so in a way that implies control over their chosen investments. Think "majority shareholder" vs. "just another investor". That's the difference between "controlling capital" and merely having a bit of skin in the game.
That's well and good, but it's just as true for most people above the 10% line as for those below. You have to get to some truly lofty heights before you find the activist investors.