This means that if we wanted to communicate reliably with up and coming extraterrestrial lifeforms, we would need to maintain older forms of communication, and

This means that if we wanted to communicate reliably with up and coming extraterrestrial lifeforms, we would need to maintain older forms of communication, and that extraterrestrial civilizations that are ahead of us, that want to be talked to would do the same. In my opinion it is worth exploring how religion came into existence, given that many of them share the common theme of regularly attempting to communicate with some extraterrestrial entity or entities with some level of certainty.