Why not? Pacing is a major problem as with any lecture because the material comes too rapidly for some viewers and too slowly for others. Furthermore, passive viewing is inferior to interaction with the material.
This or a similar program has become the standard for seminars. The speaker guides the audience through the material, and imagine how lame the presentation would be without him or her. The teacher adds:
PowerPoint examples in this book
Security issues are the reason for having no HTML command for invoking a program for a web page. These do not apply here, but you need to click on the file for it to come up in PowerPoint.
1. Locate jon/EnkinLect.ppt
This is Professor Dordick's presentation that can be a fine template for a teacher to edit. Double click to bring it up in PowerPoint for viewing or for editing.
2. Locate GrowPresent/Growth_Bungay.ppt
This was an experiment to learn how to invoke a YouTube video into a PowerPoint presentation and to include links for selecting the next slide.
There are alternatives to YouTube videos that let you have your own videos saved locally, but it can be frustrating to try to run them on a computer that has a different web browser or operating system. Experienced programmers trust YouTube videos to run with any browser.