Does String Theory Develop Significant Technical Depth?

i think one way to state this question, which i think is perhaps an interesting vision, is, are the fields which develop significant technical depth and just turn out to be forever irrelevant? I'm sadly afraid that it might not be true in science, in academic science, that fields can stay alive for a very, very, very lonthe question itout any with withou any new it was anfortunate feature. That would be my sort of analysis of the string theory story that i wouldai wold i would totally agree with that. But i want to make sure that jonathan gets his opportunity to ask somhin that i suspect is titand calhia a, no