Some path components are not made for humans, but many are.
I regularly type in twitter.com/ and a user name or apple.com/ and a product. Or on GitHub I'll change the page number in the URL to advance 10 pages.
Also, domain names can be just as noisy with subdomains.
How do you define an average user anyhow? I think there's only more common use cases. Everyone has their special needs and uses on the internet.