"Hey now guys we just voted this law, now you need to use your BankID to login to your phone the first time. Because, think of the children! And well, if you have pictures we deem forbidden, you'll be reported."

Once the infrastructure for mass surveillance is available, States are tempted to use it.

Also even if it may be ok in Sweden for cultural reasons, the rest of the world unfortunately isn't (but can enjoy private washing machines in exchange).