The capitalism machine demands that your free time be used for something monetizable. Since this project has no commercial value it must be worthless.

You can't monetize the video?

Line Rider can be a source of income. My Line Rider Review cohost Bevibel, the creator of the 50-minute full-album track This Will Destroy you (ref https://youtu.be/qasxqKScOfY), does commissions full time in addition to their personal projects. Sometimes it’s small clients, sometimes it’s Disney. Helped them out with a music video for Guster once after the band saw a track they had already made to one of their songs. It’s a fun niche market.