That error page isn't making anyone question their perception or reality. And I'm pretty sure your average user associates browser error pages with problems "on their end", not site-specific ones.
The page is blaming the user for something that's not their fault.
It is blaming the user for a server side issue, which could lead to alternate browsers being tested, tethered vs ethernet, cookies/cache clearing, extensions review, etc.
That error page isn't making anyone question their perception or reality. And I'm pretty sure your average user associates browser error pages with problems "on their end", not site-specific ones. The page is blaming the user for something that's not their fault.