I have seen pupils' work put up on the wall and the spelling is atrocious.
2 + 2 is always 4 so why are spelling mistakes not corrected? Oh, is it because we must not stifle any creative genius that may surface? You can be a creative genius but it would not be much good if what you wrote could not be understood due to spelling mistakes.
I realise that language is always evolving but surely ship is always spelt s h i p....rant over....gets down from soapbox and goes to lie in a darkened room.