Nothing makes sense on Heroes anymore, that's a given. Characters are introduced and discarded for no reason, their personalities change every week, plot points are often forgotten, etc.
I mean, season 2 was boring, yeah, but it wasn't THIS messed up. They really lost it somewhere along the way. It's a shame, considering the potential this series once had.
I'll keep following it, even if it's very hard to be impressed or surprised by any event at this point.
In a lighter note, Bryan Fuller (Pushing Dasies creator and a former Heroes writer) might be returning to the staff. He wrote some of the best episodes from season 1, including my personal favorite Company Man.