There's no indication that any of this is making anyone substantially stupider.
hang around anyone between the age of 12 and 16 and tell me they're not dumb as bricks speaking in chat acronyms rather than expending the exact same number of syllables on the actual words or actually expressing emotions.
i hate individuals who refuse to use capitalization appropriately in sentences as well. how uncivilized.
"No, no, I don't mind being called the smartest man in the world. I just wish it wasn't this one." -- Adrian Veidt/Ozymandias, WATCHMEN