The first part of the interview was helpful in that the person looked nervous and did not say anything. You need to take the interviewers questions seriously, and answer them with confidence.
The video points out that one should not focus on themselves. The guy who said he was surprised the company was still in business and focused more on himself was an excellent example of what not to do.
I think the woman that basically admitted to stealing something at her last job was not realistic. I don't think anyone would admit to stealing at their job.