What makes you think it is not happening right now? Startups have to come from somewhere, and they don't have to say how they got together, in fact, it would be smart for them to keep that "layoff discord" hidden if it can keep the lawyers attention away.
And we here stories of "guy left big company to make his own startup" all the times. It is a common story for indie video game devs for instance.
And we here stories of "guy left big company to make his own startup" all the times. It is a common story for indie video game devs for instance.