Yes, that's the point of the comment and the whole discussion here. LLMs are already Large so what should the prefix be? Big LLM is a strong contender. I'm also pretty sure the creator of redis is not "someone who doesn't understand the subject matter at all".
It's very common for experts on one subject to take a jab at another subject and depend on their reputation while their skillset doesn't translate at all.
It's like saying Automated ATM. Whoever wrote it barely knows what the acronym means.
This whole article feels like written by someone who doesn't understand the subject matter at all