I don't think widescreens exist "primarily for additional tasks in an office setting"
Perhaps I worded this poorly.
In an office settting; the primary use of a wide display is to have multiple tasks/windows open. An email your composing beside a document you're referencing for example.
My main point here is the additional space is there for you when you want it, instead of being missing when it's needed.
Saying "You're using it wrong" is blaming the user for using the computer the way it was presented out of the box.
You've gotta cater to the lowest common denominator there unfortunately. Things like this are presented in a simple easy to understand format, so that as many people as possible can get started with minimal help. Some people excel and explore the limits of their systems and what they can do with it; others don't get past 'computer basics 101' while using their computers for little more than a web browser.
"you're using it wrong" is a bit harsh. What you're doing isn't wrong, more like "there's more you could do to utilize the technology you have available".
Yes, that is my response and I stand by it.
Some applications take advantage of the full widescreen, some don't need it. It's entirely up to you to use the additional space for something else when a single application doesn't need the extra space given to it or you just accept that it's not needed right now.
Yes, it is the users fault. Because the user is whining that not every single application and piece of media is the exact same form factor like that's at all a reasonable expectation.
You're seriously upset that sometimes you've got more space available than absolutely necessary?