"Also, could you point to a place in the OEG document that describes how to make notes correctly or how to organize making notes in OSM ? "

https://wiki.osmfoundation.org/wiki/Organised_Editing_Guidelines - for example https://wiki.osmfoundation.org/wiki/Organised_Editing_Guidelines#Informing_the_community also applies

"As for "starting OSM activity" we have all the relevant documents in my profile description."

Which activity on https://wiki.openstreetmap.org/wiki/Mapbox#Mapbox_Data_Team describes note creation based on vague feedback from drivers?