yup... i'm in full agreement, fair enough a bit of shorthand to keep the message down to 1 page, but as you say some people take it way too far, the worst being inventing new spellings of words which have the same character length anyway. it boggles....
innit, is something which also boils my piss. i was walking down the street innit. no question mark, no need for the innit.
my ex's sister's boyfriend was fucking terrible for it.