I am nobody...but I was thinking that the dispersant simply assures that the oil becomes a part of the ecosystem permanently or at least for many many years to come. It is now a part of the oceans of the world. It seems to me that it would have been better to leave it in a condition what it could have been dealt with and cleaned up.

With it being a part of the water in parts pr million it is for sure to make its way into all ocean life and the clueless that swim in it because it can no longer be seen.