Well,

1. maybe he believed the information he posted was correct, but it was not?

2. maybe he believed the information was correct and it was? The later poster might be incorrect.

3. maybe it was correct but changed?

4. maybe he posted it to see if he could get any stupid reactions from people looking to find flaws where they don't really exist?

5. maybe he posted it so that I would end up wasting my time writing this post?