How to appropriately style part or chapter pages without PAC complaining about misuse of paragraphs

The given warning I had in the PDF Accessibility Checker happens with these typst-templates/upsa-bo/lib.typ at 4dd43d74da9e55cf8bbc6d76e8e5d6091edbf1e6 · jassielof/typst-templates · GitHub
Wrapping each text element in a block solves it, but is that the best solution or how is one supposed to reconstruct this type of single-page headings?