Some of us do this because we signed a nondisclosure agreement, not because we don't care about the product. As a developer, I would love to talk about the context of my work. It's just that I can't, because my company told me to keep it a secret.
I would consider it more of a red flag if the candidate volunteered too much information about projects on their resume. Let's say you write that you increased revenue by 1%. At some companies you might be able to talk about that. But at many companies, those metrics are extremely sensitive, and putting them on your resume means you're a disloyal employee.
I would consider it more of a red flag if the candidate volunteered too much information about projects on their resume. Let's say you write that you increased revenue by 1%. At some companies you might be able to talk about that. But at many companies, those metrics are extremely sensitive, and putting them on your resume means you're a disloyal employee.