Two words: future proofing. In many places, 2G and 3G networks are either turned off already, or will shutdown in a year or two. Especially with the dumb phone target audience, a phone that will become a brick in a couple of years, is most definitely not something they’re looking for.
Ha, the joke’s on you. My deadname was not only hateful, but also prone to misspelling, so I made sure I chose a name that isn’t misspelled, nor mis-pronounced easily.