This is for academic and publication journals.
Which is why you see Typst it's strongest competitor in the Comparison Chart.
as an academic I don't see myself using this because I don't see my co-authors using this.
They should have added Quarto there imo.
Every conference has their own required LaTeX style file that must be used. Unless there is an automated way to convert these exactly, I don't see how LaTeX alternatives can be used.