for documenting taxa-level best practices, i think this is the way to do it. get an expert observer for a particular set of taxa and make a “this is how i observe” video. repeat for different taxa.
for a general introduction to iNaturalist, here are my suggestions from a couple of years ago (although one of the videos listed there is no longer available): https://forum.inaturalist.org/t/best-beginner-video-how-to-tutorial-what-mistakes-to-avoid/30181/6