Minute Food also recently did a video discussing the issue of describing coffee: https://youtu.be/Fk_IT1VyCiA
TL;DW: Nothing means anything. Your best bet is the flavour description, but even then “floral” suggests light while “earthy” I think suggests dark.
The author seems to have written endless amounts of “AI” articles. Do they really not know what “hallucinate” means in such a context?