I thought devs were always treated like dirt at Amazon ? I've tried interviewing at that place, and have't felt that kind of hostility ever - one guy even want

I thought devs were always treated like dirt at Amazon ? I've tried interviewing at that place, and have't felt that kind of hostility ever - one guy even wanted me to prove that K-means in 2d is in P. This I later found was a was the topic of a key paper in this niche of ML theory.