Udemy: Frequent bookmark collection for a course?

In every Udemy class, there are bookmark tips such as:

Udemy Bookmark Tip

A large majority of learners seem to have marked these moments in their favorites, and for good reason, there is often a new concept explained at these times.

Yet in my course page, under Bookmarks, I can only see my personal favorites.

Udemy My Favorites

I'd like to see a collection of all gray bookmark landmarks as bookmarks. Is there a way to allow this?