They don't have to just stop what they're doing, they stop what a couple of people are doing and ship something. 29 days would be fine if they replied straight away. But they didn't they took ages, 29 days is a long time for a response. So if you take a long time to reply you have to have something to show why. As it stands, this just looks like they couldn't really be bothered and had it as a "do at some point" task.