Resorting to typos are a sign that whoever you are arguing with is running out of arguments - I have a regular adversary who resorts to that particular one.
Take it as a sign you are making headway.
Of course spelling is important, but I hear that texting in that mindless non-language has probably destroyed it utterly for the next generation and it has floated down the same channel as Estuary English with its ugly glottal stops and missing word endings.
Lord Reith must be clawing his way out of his grave
Jim Carroll