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Like everyone else is saying, you need to justify it in dollars as well as sense in detail. But when you present the case, frame it so that they can take the credit for doing it (yes, I'm serious). You both win.
SMART People will use browsers and websites that don't use the DRM tech, and "big media" will wonder why 1% of their traffic dropped off... must be the pirates!
And the other 99% will use will go on using whatever is handed to them.
You can set it up to automatically run updates at whatever time of day you want. It will turn on, update (including games) and then power itself back off after a period of inactivity. That is how I set mine and I never wait for updates anymore. That doesn't excuse the other behavior but it may help you with regards to updates.