He is saying something he wants to control the updates on, obviously the important stuff. The video driver is very important, but the browser is also very important, since a lot of people would not be able to get work done without it.
Exactly. I chose to update my video driver, so I knew what broke.
Imagine that update had happened automatically. Perhaps the day before a big deadline -- a stellar choice for disaster to strike! Now I'd have no clue what just broke and now I'd have to spend hours fixing it.