Doesn't this render the "SETI v. METI" debate moot? The argument against first contact signalling was presupposed on a security via obscurity argument. We terra

Doesn't this render the "SETI v. METI" debate moot? The argument against first contact signalling was presupposed on a security via obscurity argument. We terrans are such an insignificant, technologically primitive speck in the cosmos. That the slightest ping would surely result in our colonization. But now the atomic fact: visitors from distant worlds have arrived. Isn't it time at least in theory to develop inter-species communication protocols? Or do we just assume they can read our hearts and minds? Reworking the SETI Paradox: METI's Place on the Continuum of Astrobiological Signaling https://arxiv.org/abs/2006.01167 https://arxiv.org/abs/2006.01167