Summary: It's cheaper, safer for handling sensitive data, easier to reproduce results (only way to be 100% sure it's reproduce even, as "external" models can change anytime), higher degree of customization, no internet connectivity requirements, more efficient, more flexible.
Man, imagine being OpenAI and flushing your brand down the toilet with an explicit customer noncompete rule which totally backfires and inspires 100x more competition than it prevents
I'm not sure why anybody would respect that licence term, given the whole field rests on the rapacious misappropriation of other people's intellectual property.
>If you use the Llama Materials to create, train, fine tune, or otherwise improve an AI model, which is distributed or made available, you shall also include “Llama 3” at the beginning of any such AI model name.
The official llama 3 repo still says this, which is a different phrasing but effectively equal in meaning to what the commenter above said.