No reason for it’s existence other than the satisfaction of seeing it run.
Although you do realize what you have to do next. Hide the wires through the table, add a small dynamo on it wired back and repost the video as a free energy machine.
Get people arguing over it to make enough advert money so that you can then make a full size one for a car, a V12 arrangement would look cool… batteries might be an issue though.
Who of you were at the high school educated as instrument maker, and realize, he didn’t do anything with it?
What would be more efficient? – A car running with this type of engine or a regular electrical motor?