To whom are the selling? The buyers would be only those that can make efficient enough returns to offset this tax due to their existing systemic advantages, like economies of scale or regulatory lobbying.
> But the point isn't to increase stakeholdership so much as to stop privileging stakeholders with very low effective tax bills relative to mere workers
At this point I think there is ample evidence that policy in this country does not move forward without the consent of these so-called privileged stakeholders. If you take that as a given, why would you support handing these people an economic machine gun to point at your future self?
Even assuming this is true, then what? Do you think the average joe is going to suddenly buy alphabet or meta stocks because bill ackman or ken griffin sold their shares to buy bigger yachts?