It is called the halo effect. https://en.wikipedia.org/wiki/Halo_effect https://en.wikipedia.org/wiki/Halo_effect More generally, if someone is good at someth

It is called the halo effect. https://en.wikipedia.org/wiki/Halo_effect https://en.wikipedia.org/wiki/Halo_effect More generally, if someone is good at something (here, basketball), or even just because he is tall, attractive,... we instinctively assume that he is good at everything (like here, geopolitics).