>>778031241) We might very well be the first civilization in our galaxy
2) Studying other galaxies is hard as heck
3) The universe is still pretty much a baby - we are like at year 13 billion of ~100 trillion, so we might just be one of the first sentient beings period
4) If some civilization sends a message towards us from 40 billion lightyears away, the message will arrive in 40 billion years
And multiple other reasons.
