It is not possible to step twice into the same river according to Heraclitus, or to come into contact twice with a mortal being in the same state. (Plutarch)
People change. Just because someone said something last year doesn't mean that they hold the same belief now.
In fact, the best people do change their minds. They better themselves.
The collection of information like is happening now is... blah. Everyone knows what I'll rant about anyways.