This is a must read; not only does the article offer useful strategies for the times one is posed with a difficult question, it also provides psychological insight into our behaviours.
Deflection can clearly be a useful tool when negotiating or interviewing. When asked a tricky question, it can help you avoid suffering economic or social penalties that might come with being honest, declining to answer, or lying. However, deflection does not come naturally for many people.
https://hbr.org/2019/11/how-to-deflect-difficult-questions-in-an-interview-or-negotiation