Most people don't know how to navigate their local file system, let alone the internet.
AOL keywords were thing. Then fancy domain names that don't sound like domain names. Then search keywords. Then hashtags etc. The goal has always been to not ask the customer to think about it and just get to businesses.
The U stands for "uniform". Which kinda supports your point, actually.
https://en.wikipedia.org/wiki/Uniform_Resource_Identifier#Re...
>The publication of IETF RFC 2396 in August 1998 saw the URI syntax become a separate specification and most of the parts of RFCs 1630 and 1738 relating to URIs and URLs in general were revised and expanded by the IETF. The new RFC changed the meaning of U in URI from "Universal" to "Uniform."