Would you please simply type "whatever", instead of this "W/E" nonsense? Considering the amount of 8+ character adjectives you used, you clearly aren't trying to be less verbose.
You understood him perfectly well, what exactly is your criticism? If he agrees to comply to your arbitrary standards of style, only to say the exact same thing, will you agree to "please simply" refrain from being obnoxious for no reason?
Understanding for me required a Google search. It's quite a nuisance for me to have to google an uncommon abbreviation for one of the most common words in my native language.