About halfway through the article they quote a paper from 2023:

Similarly, another study from 2023 found LLMs “hallucinated,” or produced incorrect information, in 69 to 88 percent of legal queries.

The LLM space has been changing very quickly over the past few years. Yes, LLMs today still “hallucinate”, but you’re not doing anyone a service by reporting in 2025 the state of the field over 2 years before.