In honour of the occasion, Sean decided to poke the string theory pile
It is an interesting thread, including the comments.
But, especially in view of some of the stuff there and here and over on Uncertain Principles and Backreaction on general issues in physics and science, it is worth remembering that string theory in particular, and the theoretical particle physics and quantum gravity in general are a small part of the physical sciences, and even a small part of theoretical physics.
Really. Most of physicists, even cosmologists, don’t have continual existential angst about the meaning of it all and whether our theory is the One True Theory of Everything.
Most of the time.