Yeah, it’s better than nothing but I would have done the videos in a different way. Don’t cram 25 minutes of talking half a dozen concepts that can result a bit abstract because you are still outside of a real game. Chances are people will get bored or confused upon reaching the middle point of the first video.
A tutorial should start with the basics. Skip the pretender creation, and go directly to the map. The map is divided in provinces, you recruit units, you move them as an army to another province to conquest it, you make a new fort to recruit even more units, repeat.
After that, basic army setup, and basic magic (build a lab, script a pair of spells, research, site search). And after that, you explain the bless spell and the effect in sacred units.
Once you have explained all that is then when you ‘go back to the beginning’ and show the Pretender creation, explaining the dominion, scales and blesses.