You're giving your personal reasons to stay on Facebook and I'm sure many people stay on for similar reasons. I think, however, that those who do not use it ar

You're giving your personal reasons to stay on Facebook and I'm sure many people stay on for similar reasons. I think, however, that those who do not use it are well aware of the potential advantages of Facebook. The point is that to them, the well-known disadvantages, which you didn't mention, decisively outweigh the advantages.