Atheism is unreasonable

[Mister Agenda]

2) Placement. We're at a perfect place where none of those nasty things can kill us.

There are 100 billion galaxies with 100 billion stars in every galaxy. There are plenty of perfect places in the universe

Sure. But how many of them does abiogenesis occur on? What percentage of those result in civilizations? There could be a civilization per galaxy (100 billion civilizations) and we are far from the point of being able to detect a civilization in another galaxy that isn't a Type III civilization on the Kardashev scale.

3) Distance. If the universe actually is infinite, yes, there is intelligent life out there. But it may very well be so far away that we'll never reach it. And vice versa; we're so far away from them, they'll never reach us.

Type II civilization can easily reach any star in the galaxy.

You can't assume that a Type II civiizaton has FTL travel. FTL travel may be practically impossible. The proposed Alcubierre drive requires exotic matter that doesn't exist yet which may be impossible to create... and even then it maxes out around 10x light speed which means it would still take about five months to reach Proxima Centuri from here; so even with a working Alcubierre drive a Type II civilization on the other side of the galaxy would take 10,000 years to get here at full steam, and there's no reason to think they would know we're here before their ships get in range, so they would not be making a beeline for us, making a million years after discovering the drive a more likely time frame for them to discover us.

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Hope for what?

Continuing your family line, passing on genes, ensuring survival of humanity

Neither atheism nor theism has anything inherently to do with those things.

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There aren't as many places that meet all three of those criteria.

Only one such place is needed so aliens could colonize whole galaxy.

Without FTL, it would take a million years to cross our galaxy at an average speed of 10% of the speed of light. You just can't handwave that they'll have FTL AND that they're close enough to have reached us by now even with it.

Such civilization could build billions of drones to explore and eventually colonize other stars and it would take only 50,000 years.

If they started at the center of the galaxy and the drones approached light speed. The center of the galaxy is about the least likely place for them to be. From the other side, it would easily take twice that for them to get here. And just because they could doesn't mean they will, even if you presuppose there's another civilization capable of doing that within 50,000 light years that was ALSO in a position where it could have started sending drones 50,000 years ago.