You cannot predict the true value of basic research in a straight forward manner so let’s just stop. This is about extending our understanding of the universe. We will find ways to use that knowledge and ways to enrich our lives because of it in due course of time.
Everything was ready by that time, just remember the conference where it was presented. Or compare the internal memo with contemporary systems, such as the Symbolics Document Examiner. Or the NeXT demo for that matter.
The WWW you might allude to exists in large part due to US deregulation of that time, and therefore politics. The "value" part of it is as old as Alexandria, or Paul Otlet (TBL's boss who signed it off at the documentation dept. was also Belgian).
Did berners lee even work on the LHC? I know he worked at CERN, but didn't realize he took part in the creation of the LHC.