WHY ARE MOUSE ARROW CURSORS TILTED? GOT A CLUE?

I'm talking about the the default arrow cursor that comes with windows. It's tilted. The weird thing is I can't find any arrow cursors online that isn't slightly-tilted-to-the-left. The tilt enables you to see stuff on screen better? <== :/ which is about the lamest answer possible. My theory... show more I'm talking about the the default arrow cursor that comes with windows. It's tilted. The weird thing is I can't find any arrow cursors online that isn't slightly-tilted-to-the-left. The tilt enables you to see stuff on screen better? <== :/ which is about the lamest answer possible.

My theory is there's no particular logic behind it, simple convention. What do YOU think?
Update: awesome answer Mendel!!!
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