Allow me to demonstrate this strange phenomena.
What you and other Summoners see through that orb of yours:
I surmise it has something to do with some being too small to see properly from your, ermh… perspective. Surely you don’t think Cho’gath is as small as he looks on the field, mm? Hrrhrhr.
Mrhrhr. Sometimes a man wants to wear a well-tailored piece of clothing, and tailors for a fellow of my build… are few and far between. That, and sweets and drinks being harder on the digestive tract than previously, hrrhrr…
As for the probability of turning others — One would think it would have happened by now were it the case, but until extensive and controlled testing is done, I suppose we won’t fully know, will we?
Champion volunteers are so hard to come by.