失望与建议：对产品经理行为的反思

你曾经是一位备受尊敬的产品经理，但我昨天对你的一些行为感到很失望。作为同事，我希望你能对问题进行客观真实的反馈，而不是颠倒黑白。

翻译英文内容：You used to be a highly respected product manager, but your actions yesterday left me disappointed. As a colleague, I hope you can provide objective and honest feedback on issues, rather than distorting the facts.