Truth.
Guadere would be so proud.
The OP acknowledged that the material was off-board, but not that the example was from a thread requesting criticism.
The answer to your question is right in the page header: “Fighting ignorance since 1973”
There’s a difference between obvious typos and genuine errors. I usually leave the former in other members’ posts without comment while correcting the latter. You do feel a dreadful nerd sometimes for doing it though. In fact I left alone the common error reigned in for reined in in this very forum the other day, it just felt a little too snippy to point it out. (And there’s always the spectre of Gaudere hovering at one’s shoulder!) Wish I’d done it now though, that one particularly bugs me.
Seems to me the OP was simply asking “why do people on this board correct people’s grammar so much?” In fact, it couldn’t be plainer, unless you have an entirely different perception of what the phrase “general question” means.
I don’t worry about the occasional spelling error, but if someone constantly misspells certain words it grates on me the same as if that person was constantly mispronouncing those same words.
(Agreeing with your point) -This is probably my least favourite argument when people are corrected on their poor grammar and spelling. I think I know what you were trying to say, but I’m not sure because there were so many errors in your communication. Also, the lazy attitude of, “I’ll just toss off any old thing writing here, but you guys can work hard to understand me” gets under my skin.
These things can get annoying.
This doesn’t. I’m happy with a bunch of people who are making an effort to write properly.
Both! 
Once or twice in a thread, most people let it go. I went off in a dog thread the other day when I saw “shepherd” mis-spelled about a thousand times. There comes a point when it’s say something or explode.
Unless, of course, it’s a really funny typo.
It is only the phenomenon that for many of the regulars here, having nothing to say is no reason to forbear from making a post.
Well, dopers are a hoard of sorts. All worthy and tucked away in here…
His [or her] game.
This is an old argument – I like the singular “they”, “them” and “their” for people of unknown gender, and I don’t know a better alternative. “He or she”, etc., overemphasises the issue, and is longer to say or write.
The language is changing, of course, but I find no “singular” use of they, them or their that is considered acceptable in style guides. He or she has been fine for as long as I can remember, but she or he is a nice change.
A moderator once told me years ago not to continue to correct the grammar and syntax of a Doper who claimed (with changing credentials) to be the chairman of an unusually large college or university English Department. As a member of the teaching profession, I still groan at his glaring errors. They set my teeth on edge.
I’m not concerned with anyone’s typos. And I’m well aware of my own spelling errors. But I welcome corrections from anyone. I don’t usually correct anyone unless she claims to have special knowledge
I doubt that it would be forbidden for one scientist or one musician here to correct another. Correcting the poor grammar of someone who should be setting a good example certainly seems like fighting ignorance in more than one way.
Teachers should be the very ones to be under the most scrutiny. I include myself and I screw up all the time with typos and careless spellings.
I just checked in a few style guides, and generally they tell you to avoid singular “they”, at least in formal contexts – but with the exception of Talking about People, by Rosalie Maggio (1997), a style guide that empasises bias-free language, and which has a discussion on p. 365 about “singular ‘they’”. So, I’m happy to use it as often the least bad alternative – and I get annoyed when people say that it’s obviously wrong.
I think I shall join the ranks of the “nitpickers”.
Am I the only one to notice, “SMDB”? I could have sworn it was, SDMB.
An EXCELLENT observation, Kimmy G! (And OH! Ever, so true!)
And NOW, I think I shall Google, “Guadere”… 
:eek: SERIOUSLY?!
Now THAT’S, just being “ANAL”, IMHO!:dubious:
And of course… NOW, I find out that I’ve exemplified, “Gaudere’s Law”!