there's a lot of tradeoff in samsung phones, from thermal envelop to installed crapware, but their success is not just marketing, they usually come with top of their price class camera, and that is something a lot of people care about.

especially mid range a lot of phone produces washed, sad mockery of pictures unless you're under the sunniest day conditions, and even then skin and faces get garbled by the ai-thingy lot of them sports. this does matter to a lot of consumers.