Diversity is one of Mankind's greatest strengths. A seething mass of disjointed thought, lashing out in countless directions at once, exploring infinite possibilities.
Assuming we (as a species) dont exterminate ourselves before we get off this rock, we will explore some impressive possibilities. Space is a limiting factor now, prompting people to be possessive and wage war against each other. Remove the base survival-related stress that comes from fighting for territory, and the mind can be freed to focus on other tasks.
Until, that is, technology lets us bring the conquering urge back. That will be another sad day ...
tldr; federation > borg