There are multiple successful third party clients that were built on or used the code of the official or other third party clients, but reimagined the UI.
I’m not a programmer, I wouldn’t know how to do it, but the right person/team with a good idea and a slick take on the UI could easily get traction with a new client. Especially this early in the network’s growth.
Bluesky has a huge SWer community whose minds would be blown by zaps if they came to a platform where they already felt comfortable and safe.