I'd argue that "you are wrong" can be hurtful, rather than is. It's all about delivery, the culture/environment you're in, and how receptive a person is to nega

I'd argue that "you are wrong" can be hurtful, rather than is. It's all about delivery, the culture/environment you're in, and how receptive a person is to negative feedback. The second point is a great way to encourage silencing dissent. Interrogating why people made decisions is part of both science and engineering. Assuming they made all the right choices sounds odd to me.