The share is under your control, the money isn't. Being able to convert it at will doesn't change that. Also how much if anything it's worth when you go to convert it isn't under your control either.
Liquidity doesn't matter? Huh.
That's a Nobel Prize in Economics waiting to be awarded, if true.
> Accrue more money pretty much indefinitely?
You changed the subject. Wealth wasn't it.
Yes, a lot of economic activity is predicated on the availability of investment capital, but only investing in already-successful firms doesn't generate new economic activity. And static, unused real estate generates basically none at all.