“Good at marketing” means a lot in the agentic coding era
You will do far better if you’re out there, talking to potential or current customers, understanding their needs deeply, and solving them.
It very much pays to be a solo dev, but you have to be very “heads up” and spend more time with humans. IMO it’ll difficult to get by just as a heads down pure dev.
Finally LLMs don’t know everything. Even if they knew everything, they don’t know your clients full situation. Moreover your client wants your specific n=1 opinions/experiences, not whatever average of ideas lives in the LLM.
Know your industries business well. You’ll do well coaching clients not just on the tech, but the intersection of tech and the gaming business. If you’re in a position you could critique an LLM on a topic, or offer a different perspective, that has strong market value.