Your comment sparked an interesting question in my mind: If some entity is trying to colonize in every direction at near the speed of light what is the expected

Your comment sparked an interesting question in my mind: If some entity is trying to colonize in every direction at near the speed of light what is the expected gap time between the light of the actions reaching us and them reaching and colonizing us? A partial answer to the Fermi paradox by appeal to the anthropic principle: there is a very small fraction of time between being able to observe an alien species and being consumed by it.