It's quite true. Vinyl mastering is very different from digital, or even mastering for tape or other analog formats. Sibilance is terrifying in vinyl mastering. The properties of different groove lengths influence track order on albums because tolerances are different on the outer end of the record than the inner end, and you can squeeze out more fidelity by sacrificing duration with wider grooves.
There are a few general tricks here: https://www.sageaudio.com/articles/how-to-master-for-vinyl but in practice there are so many variables that vinyl mastering engineers are worth their weight in gold, and there's some significant investment made in trying to automate most of all of it algorithmically or via ML/AI.
There are a few general tricks here: https://www.sageaudio.com/articles/how-to-master-for-vinyl but in practice there are so many variables that vinyl mastering engineers are worth their weight in gold, and there's some significant investment made in trying to automate most of all of it algorithmically or via ML/AI.