Hi mollie,
To be fair, the original question posed was badly drafted and so it was unclear what the OP wanted to know. The answer given was perfectly correct and valid in the circumstances. None of us are mind readers...
It's not really a question of fairness but a question of thinking carefully before typing and then checking what you've typed before posting.
Obviously, if a poster does not have English as a first language or is dyslexic, this can make things harder for other geeks to interpret.
I often struggle to understand the intention behind the words when people use text speak extensively as it's not a style of writing that I normally use. I know the basics such as lol and IMO but my text knowledge probably ends there.