Big companies can just make deals and use whatever they want. Independent content creators don't have the resources to go to EMI and cut a deal for using their

Big companies can just make deals and use whatever they want. Independent content creators don't have the resources to go to EMI and cut a deal for using their music as soundtrack for their videos. In addition, for a big company being sued is part of business, while for a regular guy it can mean bankruptcy. Taking the risk of using other people's stuff--even if it should obviously be considered fair use--might be too much of a gamble for most people. This is of course bad because the quality could go down and it makes the whole process more frustrating, but most importantly it makes reviewing stuff risky, specially for negative reviews where it's not unusual for the author of the reviewed item to sue for defamation (and now for using footage without permission) if a negative review becomes popular.