The English Language

Someone forwarded this to me:
1. If Fed-Ex and UPS were to merge, would they call it Fed UP?
2. Do Lipton Tea employees take coffee breaks?
3. If people from Poland are called Poles, why aren't people from Holland called Holes?
4. Why is the man who invests all your money called a Broker?
5. If horrific means to make horrible, does terrific mean to make terrible?
6. Why is it called building when it is already built?
7. If vegetarians eat vegetables, what do humanitarians eat? Humans?