"The Natural Philosopher" wrote in message
...
On 03/03/2021 15:45, tim... wrote:
what sort of intelligent person believes random caller that says "your
computer is running slowly"

(i) mostly unintelligent people
(ii) or supposedly intelligent people who haven't a clue how *anything*
works *at all* (C.f. 'Art Students').

How are they supposed to know this?

do they have a camera installed in your house watching you, or something?

Don't need that. traffic analysis can give you a clue actually.

but that's a fault within their network

not with my computer