I work at an industry research lab. Key challenge for LLMs is the legality and massive resources needed to train. I have research colleagues that are convinced that even OpenAI may be on shaky legal ground. A lot of non-profit and academic liasoning helps to muddy the issue (academics have fair-use exceptions).

If you don't see the potential of the tech and the rapid advances, I can't help you. But the issue around deployment is more legal (and perhaps not enough GPUs to go around).