There’s a difference between typos and bad grammar or spelling that needs to be observed, IMO.
Typos just happen. My own motto as a writer is “the last edit you do is one edit too few.” I’ve also had lots of problems with this touch screen and the autocorrect making typos for me (producing “so etching” when I was hunt’n’pecking “something” is among autocorrect’s most persistent issues), something not unique to me at all.
Can’t disagree with you on any of that. My point is, if you’re going to write a post criticizing any of these mistakes, you ought to be certain to critically spell-check your own post before hitting ‘Send’...