This is a very content-free comment, but amusing in its ironic incompetence:
..On top of that the author suggests.. (punctuation) Correct: On top of that, the author suggests..
..it is OK to have some types.. (typo) Correct ..it is OK to have some typos..
..Bulls..t! (weaselly) Correct: BS!
..Typos are NEVER ok. (yelling) Correct: ..are never OK.
..don't emails from it. (we wonts) Correct: ..don't email from it..
..take the time to learn how to type use the built in spell checker.. (illiterate)
Correct: ..take the time to learn how to type and use the built-in spell checker..
Plus inconsistency: ok and OK
And finally:
"Typo's create a bad impression about you."
Well, you (almost) said it, and I agree: "Typos create a bad impression of you."