Why is circular reasoning of the type "if we find a general solution to all problems, we wouldn't have any problems" being propagated as some sort of visionary

Why is circular reasoning of the type "if we find a general solution to all problems, we wouldn't have any problems" being propagated as some sort of visionary analysis of human endeavor? Sure that $acronym that can solve all our problems would be swell. Just write more checks for GPU farms you say?