Additionally, before you ask: You might argue in this case they could have theoretically backed down restrictions to a lower level, once they saw that the low

Additionally, before you ask: You might argue in this case they could have theoretically backed down restrictions to a lower level, once they saw that the lower level was already having an effect. But in leadership, it's often good to stay a given course, if it is at all helpful. In this case, it is, You get back down to lower infection numbers faster, thus allowing people more freedoms again sooner.