That sounds like someone who came from a RPing background and doesn't have a formal or nutured background in actual novel writing.
I've seen many cases with RPs where you simplify things such as "she turned away" to [turns away] - in brackets or astorisks, or whatever is the hot symbol to use.
I know a lot of speech-to-text software is only as smart as you ... use it. Like the google bot on my phone when talking to discord knows how to spell fooking "Gridania" a word from FF14 - not a real word - and yet it can't get "their" or "there" or "they're" right. Stupid machine. I also just witnessed last night one of the auto CC's on youtube took Adam Savage's short interview talking about herding cats and was often replacing the word in the auto CC to "hurting cats" and I'm just... Thank god I know english and am listening to him because otherwise this would be horrifying.
I have looked into speech-to-text software several years ago... Think I was looking at "Dragon"? But it was based on "the more you use it, the smarter it is." Which sounds fine and all but when I tell google "period" or "enter" or "semi-colon" it has a nervous breakdown in Discord or Messanger. Or "quote". The thing just doesn't recognize symbols. Sometimes it will if I give long enough pause, and otherwise it write the word.
And in terms of spelling or writing, I think part of it comes from own self interest. No one really nurtured any kind of teaching of way of knowledge about spelling to me as a kid or growing up. I just knew I wanted to spell things and caught on very quickly to sounds = spelling in combinations (ie. tion = shun, ing, and so forth). I didn't even really practice vocabulary to learn new words. I'd just read and if I came across a word I didn't know, I'd mark the page and the word, and come back to it when I finished the sentence or chapter. Or book.
I will say that I have more leniency reading .... bad english with comics than with any novels or piece of writing. If the writing just is a style or, poor and difficult to read and understand the meaning, I'll just drop it. I give more leeway to comics since it seems more obvious that they're being translated from like French or Korean or something. But blocks of text you expect me to magically understand? I either want to tear my hair out and fix it, or just walk away and be 'polite'. You could have the best story in the world - be the next James Patterson - but if you cannot make your writing legible, no one will read it. And keep in mind, most mass produced books are written at a 3rd grade English reading comprehension level.