What country is that flag from and why are all its nationals retarded degenerates?

https://files.sovbit.host/media/ff1a68c42082105d852c425bcb783c99e3c8fccafa6a93a22f3829e0ec9831cf/023abf9c2b98e5d2bf17efabafcad9957bcbe347166770a4875140025d6a768d.webp