salladbananas age does have quite a bit to do with it, for istance my fingers don't allways hit the correct key , and when it does it may stay there a fraction of a second too long, producing a multitude of the same digit, this is allways assuming, of course that i can see the keyboard clearly in the first place,
I myself make lots of typos, but by the time you have checked and corrected your mistakes, the thread has very often moved on a long way, and your post has lost its impetus, if it was meant to be a swift retort, to the last person who posted.