On this question, the first comment was asking whether tool safety is on-topic. I would think that it would be, as woodworkers without fingers aren't very efficient or effective.
I personally think they should be on topic for just the reason you have mentioned. I don't think there will be very many of these, though, as many of them will have large overlap, which could probably be closed as a duplicate once a large enough base of the answers come to fruition. Ultimately, though, it's all in how you utilize a tool whether it's safe or not. If you use the tool as it's meant to be used, you can be pretty sure it's safe (common sense, which it appears is lacking in some cases). It's when you get outside of those bounds where it becomes unsafe. Doesn't mean people aren't going to use it that way, but hopefully they'll ask the question first and not end up as a Darwin Award Winner.
I agree with previous answers, and would add that safety should be a top priority on this site, and allowing questions around that subject seems like a clear requirement for that to be the case.
If we are seen flagging safety questions as "off-topic" then when the general public sees those questions as flagged, it will decrease the respect they have for this community (at least, it would diminish my respect for this community).
I vote on topic as well.