In Berlin there used to be a notification system if you were subjected to cell surveillance in Berlin. It was recently stopped [0]. IMHO we need the same for all IP assignment or account lookups. The problem IMHO is that we, individualy, and particularly vulnerable groups like journalists and activists, might be subject to far more of such activities than we know.
[0] https://netzpolitik.org/2024/rolle-rueckwaerts-berlin-beende...
More-generally, imagine if every citizen was entitled to a yearly report on all how many times law-enforcement received records containing their names or personally identifying information, except in cases that are formally unsolved and in-progress.
So a line item might be something like:
{Ref ID}, {Date}, "All Youtube accounts that watched {Video Title}"