It’s like Moore’s law. The number of bytes for a basic app doubles every 2.5 years.
When I was young, we’d get a few different games games on a single 1.4 Mb floppy disk. The games were simpler, sure, but exactly the same games now would be far bigger in bytes.
I don’t think it is reasonable to expect every individual to become a privacy / legal expert. I think people should have reasonable protections and assurances given to them without needing to study the details of everything they do on a case-by-case basis.
We have laws about what food can and cannot be sold - so that individuals don’t have to personally test and monitor every product for safety. Privacy & data could be done like that too.