Related to 2: sellers actively exploit our preferences, which probably creates a feedback loop where we buy the same kinds of clothes, accessories, etc.
I'll add a third, more mundane option, somewhat related to 2: default behavior. I think we generally prefer to do whatever takes the least amount of effort, and comforming is generally easier than the alternative.
I'll add a third, more mundane option, somewhat related to 2: default behavior. I think we generally prefer to do whatever takes the least amount of effort, and comforming is generally easier than the alternative.