You have a good point provided you are addressing anyone adequately proficient in English.
Besides spellcheck throw up some bizarre choices and mass emails have demonstrated how our brains manage to decipher typo-ridden text.
Life is not black and white and our choices as readers of these posts are to ignore what we do not understand or, if interested, seek clarification.
Given that a form of 'English' is the language of computers doesn't mean we can communicate without misunderstanding.
In this case James_22 could write in Portuguese and ask us to seek our own translations.