No, "I" is NOT the same as "i".
"I" is a proper capitalized self descriptor while "i" is a misplaced word fragment.
AND the mark of a troll usually, especially if done in every single post because it 'looks cool' to them.
Yes, most of the trolls we've gotten love to type in all lower case letters as if they are k.d.lang or e.e.cummings.
That's quite the pair!