Why would a civilization choose to inhabit a single enormous vessel instead of maintaining interstellar colonies?

They have the destination, they heading to┬áSupermassive black hole. reasons are┬áTLTR, if short it allows to overcome some growth problems for a more extended period of time and have a bigger population as result. At the moment, this is the only place I know, where is possible to extract energy more efficiently than with any … More Why would a civilization choose to inhabit a single enormous vessel instead of maintaining interstellar colonies?

What would come first, the colonization of the solar system or interstellar colonization?

What is given? Humans have a practical problem, they need living space. But for how many? How fast population grows? As for the first question, some believe that for Earth 1 billion (109109) people is ok, and what is above is excess, there are bunch other believers. But solving the problem is to solve the … More What would come first, the colonization of the solar system or interstellar colonization?