I think we just need someone to set up a studio that will change the game. What I mean by this, is a studio that makes trans porn mainstream and has girls wanting to work for said studio - like a badge of honour.
This studio will serve as a consistent place where girls can get great hair/makeup done, have good camera work, male talent that performs well, as well as name recognition from working with said studio.
This will come in time, and with it's success, it will spark other studios to appear, once they see how profitable trans porn can truly be. Every studio currently out, has something missing. Not one puts it all together very well. Whether is be weak talent, bad camera work, bad story lines, unprofessionalism, and quite bluntly, unattractive girls. In a sense, there is not much more benefit to working for them, than doing your own OF content, if you are a trans creator.
Right now, it seems it is more lucrative, or at least not much more disadvantageous for a lot of girls to do OF content.