[Musketeer]

Its all cool, as long as they stick to receiving and don’t transmit stuff.

We're transmitting a hell of lot of noise into space. From an advanced civilizations perspective we've just awakened, chirping like nest of newly hatched baby birds.

[MetaThought]

There is a difference between a broadcast that generates an almost hemispherical wavefront, for example radio, tv, cellphone and a narrow beam broadcast directed at a nearby star.