I thought it was ignorance is bliss lol you just have to remember, it may seem common knowledge to you or any other experienced scrapper but I've never encountered the subject or needed it til now. A lot of people do this in my line of study and expect people to know things that seem everyday to them and easily research able but if you don't know what your researching, questions become necessary on our forums as well. Not to mention not everything you find is right. So asking someone currently experienced helps confirm what your reading.