From rational point of view (history of Indians, general history) and philosophical point of view (great filter) it is safer to keep quiet.

A lot of scientists got killed by their own inventions. And active Seti should be banned since very few can bring doom on others - without even asking them if they agree for that. Did anyone from the active seti community ask for consent? Nope. They know most people would be against it. UN and governments should be too. Although if they were some assholes would start doing it just in spite.

“The universe is a dark forest. Every civilization is an armed hunter stalking through the trees like a ghost, gently pushing aside branches that block the path and trying to tread without sound. Even breathing is done with care. The hunter has to be careful, because everywhere in the forest are stealthy hunters like him. If he finds other life—another hunter, an angel or a demon, a delicate infant or a tottering old man, a fairy or a demigod—there’s only one thing he can do: open fire and eliminate them. In this forest, hell is other people. An eternal threat that any life that exposes its own existence will be swiftly wiped out. This is the picture of cosmic civilization. It’s the explanation for the Fermi Paradox.”