Is that really true? If anything OpenAI was dependent on the transformers paper from Google from Ashish Vaswani and others. LeCun has been criticizing LLM architectures for a long time and has been wrong about them for a long time.
https://scholar.google.com/citations?view_op=view_citation&h...
Basically all LLM can trace their origin back to that paper.
This was just a single example though. The whole point is that people build on the work from the past, and that this is normal.