I think what he meant by do not scale well is that sshing into 1000 of your servers to manually run apt-get just don't work. apt-get is fine, it's just that at

I think what he meant by do not scale well is that sshing into 1000 of your servers to manually run apt-get just don't work. apt-get is fine, it's just that at some point you need an automation tool to trigger it. A lot of chef recipes rely on the underlying package manager, that's fine.