[chgs]

The people at my isp insist they don’t store anything other than bandwidth use (which is exposed to me so I know that already)

I don’t keep much data at work for that long

If it is a thing it’s either a massive conspiracy across thousands of network engineers or you could point to some technical details on how it’s implemented.

[gambiting]

It's not a conspiracy, they just can't say by law. Did you expect them to tell you if they have an order from the Home Office telling them to not divuldge this information under the threat of massive fines and jail time?

[chgs]

Thousands of people, including a few friends and dozens of acquaintances, including those who have retired, emigrated, and changed citizenship, are all successfully keeping silent about this.

That’s by definition a conspiracy