Let me see, did you suggest that earlier? Hmm, okay no. Did I suggest that earlier? No as well. We seem to be good on the not saying it will kill someone front.
Moving on, it’s a lot simpler to make the area over a fire restricted airspace than to deal with the consequences of an unlicensed hobby drone operator feeling welcome and then screwing up. It’s also a good way to keep hobbyists in peoples good graces and not get laws enacted that would further restrict drone use or require licensing.