Organizations operating in high stakes environments
Organizations with restrictive IT policies
To name just a few -- well, the first two are special cases of the last one
RE your hallucination concerns: the issue is overly broad ambitions. Local LLMs are not general purpose -- if what you want is local ChatGPT, you will have a bad time. You should have a highly focused use case, like "classify this free text as A or B" or "clean this up to conform to this standard": this is the sweet spot for a local model