The video had high production values, but it did make me cringe a bit.

First of all, it felt very choir-preachy - like a five-minute applause light instead of a persuasive summary of naturalism. Additionally, it felt as though too much time was spent on attacking religious strawmen. This feels unnecessary - like it would suffice to go straight to an exposition of what naturalism is rather than an cursory examination of several non-naturalism points in belief-space. And if popular non-naturalist points in belief-space are to be examined, it would do well to refute their best arguments instead of an easily-dismissable strawman.

Secondly - I think there are unintentionally sexist overtones here. The (somewhat condescending) example given of activities which are less useful than developing a worldview was shopping for clothes, an activity people tend to associate with women and femininity. This was not helped by the stock footage of this section consisting almost entirely of women. Contrast this with the collage of naturalists at 4:59 - almost all men. And though the use of the male-pronoun-default is a longstanding tradition, referring to the generic platonic naturalist as "he" rubs me the wrong way. Overall, this seems likely to dissuade half of the target audience, and subtly encourage some highly undesirable patterns in the remainder.

The graphics, music, animation, editing, and most of the celebration of naturalism was very well done. This has the makings of greatness, but I would urge some edits to increase its efficacy.