From an ethical and legal perspective, it is improper to conceal product defects to protect the brand image. Here are some considerations: 1. **Legal liability**: Many countries and regions have strict consumer protection laws that require companies to disclose any defects or safety issues that may exist in their products. Concealing defects may result in legal proceedings, large-scale recalls, fines, etc. 2. **Consumer trust**: Once consumers discover that a brand has concealed important information, their trust in the brand may be severely hit. This loss of trust is usually difficult to recover and may cause damage to the brand's long-term reputation. 3. **Moral responsibility**: Companies have a responsibility to ensure that their products are safe and are responsible for the health and safety of consumers. Concealing product defects may cause potential harm to consumers, and such behavior is morally irresponsible. 4. **Long-term considerations for brand image**: Concealing defects may seem to be beneficial to protecting the brand image in the short term, but in the long run, transparency and honesty can usually build a more stable and lasting brand reputation. For the above reasons, companies should generally adopt an honest and transparent attitude, solve product defects in a timely manner, and proactively disclose relevant information to the public. This not only helps reduce potential legal and financial risks, but also helps strengthen consumer trust and loyalty to the brand.