Do you actually have anything useful to add to the conversation?
Yes.
It's useful to note that you can't write English.
This fact renders any other points you may make highly suspect.
Do you think illiteracy is an indicator of wisdom or knowledge?
Do you take advice from illiterates?
To 19 - I think it is useful to point out when posts are submitted that are rife with poor grammar. This way the occasional lurker or non-member who looks in won’t leave with the opinion that everyone at FR is an illiterate.