In simplest terms, String Theory is wrong and a fools errand. Folks will give up on it eventually. Einstein was just a guy, a normal guy, with a decent theory. But he had an inkling he was on to something. It was decades before he really had any significant evidence to support it. For all the credit we give Einstein, he was trying to solve the math associated with gravitation for a decade and he couldn't. Hilbert and Schwarzschild both solved pieces of it with little effort before Einstein published his own answers after years of trying, and one of those guys did it while fighting WWI. Anyone who tries to claim Einstein is anything less than a god immediately gets shouted down in physics. He did some great things, but its time to build some new theories (that are not string theory). Remember, even Phlogiston theory was accepted science until it wasn't. I feel the critical flaw in Einsteinian physics is the idea that time is relative. Yes, critical to Einstein's theories, but the distinction that should be made a some point is between the 'perception of time' and 'actual time'. Some would say, what is time beyond what we can observe? Ultimately, that question makes as much sense as what is the world beyond what I can see? Time is real and absolute. Provable? Observable? Hard to say.