Eh, Git works, which is all it has to do. The reason you see typical small dev teams use Git is because they're familiar enough with it from dealing with FOSS. And when you are doing FOSS, there's almost no contest – Git destroys the competition for n-person teams when n → ∞.

Besides, it's not even all that complex, there's just an abundance of bad information talking about "diffs" and "branches containing commits" and confusion over the word 'tracking', when most of that is either a convenient representation or an internal implementation detail that doesn't matter at all to the user.

Also, compose key flex.