If the choice is between doing something supercool and having no one hear it and doing something equally cool and tricking people into putting it on the radio, I don't think the second option is some big sellout.
I prize the conditions under which I have lived because they have permitted me to choose my opportunities, to inquire into such matters as interested me, and to publish what I believed to be true, uncontrolled by any central authority.
General relativity is the cornerstone of cosmology and astrophysics. It has also provided the conceptual basis for string theory and other attempts to unify all the forces of nature in terms of geometrical structures.