org-roam-verbose = t

Its output is helpful. Let's not silence it.

But prevent output during incremental loading from hijacking the
minibuffer (likely the original reason org-roam-verbose was disabled).

core/core.el

@@ -445,6 +445,7 @@ intervals."
                     ;; or is unreadable, Emacs throws up file-missing errors, so
                     ;; we set it to a directory we know exists and is readable.
                     (let ((default-directory doom-emacs-dir)
+                          (inhibit-message t)
                           file-name-handler-alist)
                       (require req nil t))
                     t)

modules/lang/org/contrib/roam.el

@@ -61,7 +61,6 @@
                             org-directory)))
         org-roam-db-location (or org-roam-db-location
                                  (concat doom-etc-dir "org-roam.db"))
-        org-roam-verbose nil   ; https://youtu.be/fn4jIlFwuLU
         ;; Make org-roam buffer sticky; i.e. don't replace it when opening a
         ;; file with an *-other-window command.
         org-roam-buffer-window-parameters '((no-delete-other-windows . t))