Earlier quoted context omitted.
The real problem here is that the compensation structure was initially defined to give the dev team payments for four years and then stop. That makes sense for stock options, when there are established mechanisms to expand the options pool later. For a cryptocurrency it creates a big problem for you, that you’ve punted four years down the road. We’ll see if Zcash developers manage to fork into a coin that keeps payin…
Shareholders don't expect to keep getting additional shares as time goes on. The point is you increase the value of each share by improving the company (or in this case the currency). They already have substantial ownership in the currency - this should be sufficient.
Shareholders don't expect to keep getting additional shares, but employees do. The main problem isn't that Zcash needs to incentivize shareholders, the main problem is that they need to incentivize engineers to work on their software.