Yeah I saw it. But it is for PNP who applied paper based. Probably no difference with those who via EE. However, I saw some cases of people who applied PNP EE with not submitting Schedule 4 for example with no ADR.Yes i totally agree many documents are not mentioned but eventually ends up required
Check out below checklist link for Provincial Nominees class applying for PR paper based
If you click the link scroll down and preview the checklist form
https://www.canada.ca/en/immigration-refugees-citizenship/services/application/application-forms-guides/application-package-provincial-nominees.html
Which i followed anyway eventhough applying online
however it is for OID paper based applicants
So really who knows really what they need or not.