For the relatively small number of folk who have actually been observing the "Stay At Home" instruction, next month is an opportunity to experience what many, if not most people have been doing for months. Presumably those who were not already "Stay At Home" will leapfrog "Stay Local" to the next phase* despite it not yet being legal?
* - Obvs certain things will remain impossible until three weeks later, but what can be gotten away with, will...