It is bad advice, particularly depending on what state you live in. The judge will ask how did you determine it was a bad guy through a closed door and then ask to explain how you felt your under imminent threat of severe bodily harm or death.
There have been cases where someone entered the wrong house because they were drunk or high and the homeowner shot them. The homeowner lost.
BV is in question time out indefinitely, until he takes the pledge to answer questions one for one.