Fat people, queer people, trans* people, femmes, disabled people, POC need and deserve affirmation too! For many of us taking selfies is an exercise in putting our self-love into praxis. The act of loving, seeing, and accepting oneself in real time. Also, so what if people take pride in the likes and comments that their selfies garner?! There is nothing wrong or gross about freely accepting compliments. Folks need to stop pathologizing those who relish in the compliments that they receive. It takes lots of work and practice to be able to freely accept a compliment, especially when you struggle to see yourself as worthy and never was accustomed to receiving them!
Black feminists coined the phrase “the personal is political” (no matter what Wikipedia tells you a white women DID NOT coin that phrase) and indeed taking selfies is a personal act deeply rooted in the radical politics of self-love. If someone can’t see that that, it simply means that their mainstream pretty, thin, & skin privilege is getting in the way of that.