I think that's because believable action is based on authenticity, and accuracy is very important to me. I always spend time researching my novels, exploring the customs and attitudes of the county I'm using for their setting. ↗
The reason I know about 'Tomb Raider' is from when I was researching 'Elephant.' It was 1999, and I was trying to research the Columbine-massacre kids, and they had played video games, and I, at the time, had never really seen one. It was a world I didn't know. ↗