There are rights and responsibilities associated with a proprietary model… and IMO you (and your permissive government) should not be overriding those rights for your own short-sighted benefit.
Kind of sounds like you misunderstood the initiative to be honest. This only affects games which have been abandoned by the developer, the proprietary model stays perfectly intact as long as you actually keep selling your games.
That page lists two definitions for meal and the second one is literally "the edible part of ground grain". So it likely refers to grinding (as in with your teeth while eating). Also makes more sense because otherwise "mealtime" would mean "timetime".