that seems really annoying
i mean i can see it for android cus you're not at your homescreen the entire time but wouldn't that take up a lot of resources
If he's using VLC, it uses a little bit. It all depends on the video playback backend he's using.
Using the experimental OpenGL backend, it uses about 20%. Cinnamon freaks out a little bit too, but I imagine that probably wouldn't apply to Windows.