Why?

If you take an Oriental person and spin him around several times, does he become disoriented?
If people from Poland are called Poles, why aren't people from Holland called Holes?
If you mixed vodka with orange juice and milk of magnesia, would you get a Philip's screwdriver?
Why is the man who invests all your money called a broker?
Why is a person who plays the piano called a pianist, but a person who drives a race car not called a racist?
Why are a wise man and a wise guy opposite things?
Why isn't 11 pronounced onety-one?
"I am" is reportedly the shortest sentence in the English language. Is "I do" is the longest sentence?
If lawyers are disbarred and clergymen are defrocked, doesn't it follow that electricians can be delighted, musicians denoted, cowboys deranged, models deposed, tree surgeons debarked and dry cleaners depressed?
Do Roman paramedics refer to IV's as 4's?
Why is it that if someone tells you that there are 1 billion stars in the universe you will believe them, but if they tell you a wall has wet paint, you will have to touch it to be sure?