Can anyone explain to me how the "Subscribe to Open" (S2O) model (like MSP's, here: https://msp.org/publications/s2o/) is supposed to work and be sustainable?
I understand the mechanics, what I don't understand is what the equilibrium is supposed to be. If a journal regularly goes open because of S2O, won't ppl come to expect that, and then there's a tragedy of the commons issue?
