Ditto to long posts with no paragraphs! So hard to read, I don't usually bother.,
I must admit that basic mistakes do make me despair at our schools, when so many people muddle there/their, your/you're, etc. I know some are down to blasted autocorrect, but surely not all.
These things are really not at all difficult to sort out.
But there is a pervasive attitude that they don't matter any more, and only fusty, pernickety old pedants give a toss.
Which simply isn't true. For a start I know of one much younger, very non-fusty person in a senior HR position, who told me that one way of weeding out a mass of very similar CVs, is to bin any with basic spelling/grammatical mistakes. And I don't suppose she's the only one. Spellcheck is all very well, but it can't be relied on to pick up everything.
For a while a dd taught English as a foreign language overseas, as I had before, and she told me of how mortified she was for a fellow teacher who'd made some basic mistake on the whiteboard - it's/its, your/you're - I can't remember, but something of the sort.
Some of that teacher's students had come to dd very worried, because they thought it was wrong, but didn't like to say anything! And were therefore worried as to whether they'd got it all wrong - because surely a teacher wouldn't make such mistakes?
Since it evidently wasn't the first time, dd was frankly shocked that the teacher in question should have gained a TEFL qualification at all.
Presumably he was from the 'these things don't matter any more' school, but these students, who were paying good money for their lessons, were going to need to pass exams, where they'd lose marks for such mistakes.