^ Dude, I'm raising a question about the intention of the burglar. None of us can really know what the intentions of the student or the burglar really were. Most people are also ASSUMING the student was innocent and did not use excessive force that wasn't required in the circumstances. Similarly, one could also assume that the burglar did not intend to harm. They're BOTH assumptions based on the little information we have. Clear?
Did the student just brandish the weapon - no. Are there other incidents of excessive force being used - yes. Is this one - we don't know but I think it's okay to raise the questions.
As the newspaper article states, the law may or may not extend to protecting the student in the case of an enclosed backyard. This is likely because it is more difficult to show that this was a similar threat to the student's life as breaking in to the home while being armed may have been.