**Let's face it most riders don't have the knowlede, experience, or will to do maintance of any kind much less major repair on their bikes, cars or anything else. **
I have to agree with you on this statement, craigslist is filled with these kind of butchered bikes. It seems to be a problem that has gotten noticeably worse in the last 5 years. We are watching a mechanically illiterate generation expand.