"It even took a while to get a good answer to why inference is so slow" No it didn't, if you read their paper they mention multiple times what parts take most of the time.
There is only so much one can write in a paper. Meta team did a great job writing down every detail that matters to people trying to reproduce the results or build on their architecture. Not a single researcher I know complained that the authors missed out important details.
You are picking on tiny, trivial details that anyone in the area can figure out in a few minutes and making a big deal out of it. It is a research paper, not a product with detailed documentation/spec sheet.
There is only so much one can write in a paper. Meta team did a great job writing down every detail that matters to people trying to reproduce the results or build on their architecture. Not a single researcher I know complained that the authors missed out important details.
You are picking on tiny, trivial details that anyone in the area can figure out in a few minutes and making a big deal out of it. It is a research paper, not a product with detailed documentation/spec sheet.