The number of governments that have not had to deal with ethics concerns is exactly zero.
Rather than drawing a broad hand-wavy link between ethics concerns and respect for privacy, you'd be much more accurate in measuring privacy by directly considering their practical legal frameworks that protect privacy.
> A country who has been killing people in various wars/invasions is unlikely to behave ethically when it comes to privacy.
This doesn't hold up. There are many countries that will straight up man-in-the-middle internet traffic with no oversight that have been at peace longer than Germany.