Shades of Eternity
Legend

On Using Published Campaign Settings - Merric's Musings
On using Critical Role's "Explorer's Guide to Wildemount" and other published settings in your existing game or as the basis for new adventures.
merricb.com
I mainly have written for the forgotten realms in the past because it was an option thanks to the dmsguild, but I've never been big into canon.
I'm asking if you agree with the above blog entry when it comes to using publish campaign settings?