Obviously it's implied that if public science funding is going to demand that researchers use only openly available journals, that the rules for the funding its

Obviously it's implied that if public science funding is going to demand that researchers use only openly available journals, that the rules for the funding itself also be adjusted to disregard the impact of these "high impact journals" for the purposes of preferentially allocating funding. What do you imagine is going to happen? That public support of science is going to drop to zero because funding bodies forgot to update two of their internal rules, and instead just updated one, thereby creating a dependency relationship that was impossible to satisfy?