[nextw33k]

That is a very desktop application view. As programmers we should consider CPU cycles equating to battery life.

Whilst it might not have a big impact, if every programmer thought pragmatically about energy usage then the environment as a whole would benefit.

[lesiki]

I think the point is that whatever slowdown the use of Accessor pattern introduces will actually be a lot smaller than 2X, which is useful information when deciding whether to discard the great benefits of using the Accessor pattern that others have mentioned.