Right, that is true by definition, to think physics is complete is as naive today as it was around 1900.
Although humanity may bump into a law of decreasing returns at some point, as more and more energy is needed to probe even smaller details of the universe, it appears we're not there yet.
I agree. You have to look at the Ray Davis experiments to really appreciate what this article says. If you read Frank Close's book it gives an excellent introduction to the oscillation problem of the neutrino. Fascinating stuff.