The Bluesky firehose viewed in the style of a Windows XP screensaver

I noticed that for messages facing the camera, ones further away from the screen occlude ones closer to the screen. I assume there's an alpha layering/rendering order error going on (assuming no order-independent transparency)?

Here's a version with that fixed https://firehose3d.theo.io/babylonjs.html (will probably replace the current one soon)