How should we respond if we interview for a non-crypto job, and when we can't get any background on the company, they explain that they're in "stealth mode" to

How should we respond if we interview for a non-crypto job, and when we can't get any background on the company, they explain that they're in "stealth mode" to protect the advantage of surprise? From time to time there are real startups that decide to fly under the radar until they're ready to show the world what they've built. Of course, many such companies turn out to be massive duds... Like Cuil. https://en.wikipedia.org/wiki/Cuil https://en.wikipedia.org/wiki/Cuil