I got this from a book publisher I met once years ago and just noticed in my files. I am glad I found it, because I think it is just so well-written:
I agree wholeheartedly with the idea that grammar does not need to be explicitly taught and it’s more something to encounter because I’ve seen the evidence in my own life – I don’t remember the terms or rules for English beyond the simplest words like “noun,” “verb” and “adjective,” but I’ve always been a reader. I’ve never had a problem expressing myself in writing (college level English classes included) and I’m a pretty solid proofreader. It had to have been all of the reading I did for pleasure. That is really the only plausible explanation, because apparently I found something more interesting to think about when someone was trying to teach me to diagram a sentence (assuming that happened at some point even though I have no recollection of it). I don’t feel that teaching grammar in the traditional way is a terrible thing, but it’s most useful to people who are actually interested in it and kids generally are not.