Here is where I part from the OP. I do think of programming as a form of writing, and so I think it's OK to judge a programmer thusly, but I don't think it's got much to do with stocking shelves or plumbing or carpentry.
Moreover, based on your snippets that contractor has trouble with spelling errors, not grammar, which in my opinion is a different sort of skill altogether. Also I would not be surprised if he/she is dyslexic or similar.
Moreover, based on your snippets that contractor has trouble with spelling errors, not grammar, which in my opinion is a different sort of skill altogether. Also I would not be surprised if he/she is dyslexic or similar.