> Thousands of people see an apartment building's facade every day, so what does blurring it on Google Maps give the residents, privacy-wise?

Same principle as with password hashes were you might prefer a slow hashing function with a work factor.

I don't necessarily agree with the streetview restriction, but also don't really mind not letting Google make pictures.

You actually don't need to put your name on your doorbell, but that at least has very practical advantages for yourself.

Berlin is a failure of government since time immemorial but I am not familiar with this law.