> Because you are not a unique and special snowflake. If you regularly go to /r/The_Donald, it says something specific about your politics (probably). Same for /r/LateStageCapitalism or /r/trees. It might not say much, but it adds up to a profile of who you are and what you think about.
They won't be collecting that information though. They'll only see that you visited reddit.com in all those cases.
AFAIK browsers will not provide a referrer if the previous page in case you go from https to http. Firefox has an option to disable https to https referer sharing btw.
From the article:
"Those ICRs in effect serve as a full list of every website that people have visited, rather than collecting which specific pages are visited or what's done on them."
And from another site on the same issue:
"When you visit a website you usually start at
the websites homepage such as
www.bigbrotherwatch.org.uk/ the
Government define this part of a website
address (the part before the first forward slash)
as communications data which they consider to
be non-intrusive information." (https://www.bigbrotherwatch.org.uk/wp-content/uploads/2016/0...)
In fairness the law mandates they record the domain, it doesn't say anything about capturing more it just sets a standard for the minimum.
Given that the ISP's have now been given cart blanche to collect data that is very commercially valuable I can see some of them doing it with the hope they can sell it later.
They won't be collecting that information though. They'll only see that you visited reddit.com in all those cases.