It is the individual, but it's also the individual in much bigger numbers.
And that is when societies change. It would be nice to live in a peaceful world where we did not kill each other, but I do not see that ever happening. The only way to change society is for the individuals in that society to stand up and say enough is enough. Slowly society, the collective will adapt, but only if the individuals say it must adapt. Civil rights, human rights, and Individual rights and responsibilities are gaining traction, and change will happen. But an end to senseless violence across the world, not likely.
We may not ever be able to end senseless violence or some of the other issues we face, but I think we could hopefully both agree that we can reduce it significantly, and I think that's important and a good goal to strive for.
Yes it is a goal to strive for.