I have no idea MawBroon and Jelima why you would want to pick up someone who has elsewhere explained that using IT, checking and re-checking does not stop the odd mistake or even gap in my knowledge which, I appreciate, can be weird - dyslexia is like that. I would add tends to get worse as I get tired. You have reminded me very clearly of the teachers who call people with my problem 'stupid' etc., in front of everyone else. I can see you find it very amusing; I remember children like that.
This was not a thread on pedantry but manners and, it seems to me that those with 'manners' which would choose to put down people for the odd error on a general thread are also likely to be those who refuse to take into account that times have changed and some people will find some words, which used to be acceptable, have been revealed to be powerful in putting people down or 'in their place' It would be thoughtful to make them feel comfortable after all that is what good manners are about - even if you are sniggering in the corner about it afterwards.