The tax authority in my country already uses a proprietary protocol and client

https://de.m.wikipedia.org/wiki/Elster_(Software)

Doesn’t work. It’s possible to let many banking apps think they are running on a normal device although it is rooted.

Just don’t use the services that do this

Harry Potter war seiner Zeit voraus

Actual legal risks and consequences don’t go away by applying wishful thinking.

Actual legal risks and consequences don’t go away by applying wishful thinking.

I use the Library or libgen

I went to university but never had to buy a book. My university library offered all the books I needed and an online access to research articles by Springer, Elsevier, and so on. You can get access as a regular person without being an enrolled student.

Did you pay the author of every book you read?