I haven't read all the rumors and comments, but why the change from Galaxy s11 or s12 to 20 all of a sudden? U wonder if it's something really superficial where they want the common consumer to think their phone is better than the iPhone because 20 sounds like more than 11 or 12.
Samsung now has the most meaningful naming system. As soon as you hear S20, S21, S22, etc..., you know exactly which year the phone came out. S20 means 2020 release, and so forth. Makes more sense than any other phone naming scheme. It definitely helps the everyday consumer who doesn't follow tech on which release is the newest.