Unfortunately, the optics world has discovered that they can engineer optics, send the specs to China, and come out with a very good set of optics at a much cheaper price. It isn't the wave of the future, it is the reality of today.
I'd question the definition of "very good." None the less, the average consumer is getting exactly what they deserve here. These companies have to turn a profit, and the market is full of uneducated consumers who won't take the time to really understand what makes an optic good, and what features really matter. They holler about made in China, yet are unwilling to invest the money up front to get a quality optic that will perform.
As far as Burris is concerned.... they do make a mostly USA scope. It's the XTR line, and it's actually a pretty good scope too. I bet they don't sell nearly as many of those as they do the crappy Chinese-made units. So don't blame them, they're just doing what the consumer is asking them to do.