Sure, if you've got some malcontent, insecure notion that your present "status" is mediocre. If all you care about is status, then sure do whatever it takes to get yourself ahead.
how do you figure? Its applicable to everything. Its a basic principle covered in both the art of war and 48 laws of power.
There are plenty of scenarios where if you withhold information it could lead to termination - or better go to jail. There are other full disclosure scenarios. Even in non-FD scenarios if you knew something that could have been critical to a decision making process and it is later found out that you didn't share the info, the powers above will frown upon you.
As for holding startup ideas for yourself - that's probably the worst advice. Ideas are a dime a dozen. Only execution matters. And sharing ideas help shape it to get it to a better place.
you don't have to care about "status" to want to constantly improve yourself.
The guys who are successful in business -- the only success worth measuring (let's face it; we are judged by how many zeros we have in our bank accounts, not how many afternoons we've wasted volunteering at the local hobo shelter) -- stand out from others who are still polishing their shoes because their plans were greater and better executed than anybody else's.
