Some of us are a good deal older than 30...
Indeed.
I suspect that there is a lot of frustration from answering the same questions over and over and over again. I think the first 10 times that you point out to members that they shouldn't be keeping that bala shark and clown loach in a 10G tank, you have a good nature about you, but afterwards when the same type of thing keeps coming up, patience runs short.
I do not know how wilder keeps his cool when he sees my posts in the emergency forum
The other part is that it's all to easy to be mean in this format. We never have to see or meet the people we're talking to. People tend to be much much different in a web forum than in person.
If you find it fustrating answering the same questions over and over again, then simply don't answer them- there are thousands of people on this forum, chances are that if you don't reply to a thread, then someone else will sooner or later (especially if it is a really easy question to answer because it is asked so often) over the following days.
Either that, simply copy and paste info from the pinned articles (there are so many pinned articles on the forum now, most of them cover all of the most commonly asked questions) or link people to them.
Wilder spends a lot of time in the emergency section because she doesn't mind helping people out with the same issues over and over again because she knows that by helping people out, she is helping save their fishes lives a lot of the time. Wilder certainly contributes a lot to the forum, if she didn't share so much of her time here i'm sure that thousands of threads would have gone un-answered.
She has her own reasons for doing what she does, and her own methods of ignoring the fustration of seeing the same sorts of threads being posted every week.
However, when it comes down to it, no one has to reply to anything in any of the threads or posts made on the forum, so just try to keep that in mind if you see another "bala in the 10gal" type of thread

.