Uploaded May 2025 | Updated September 2026, 3 weeks ago

---

To try everything Brilliant has to offer—free—for a full 30 days, visit brilliant.org/fasterthanlime . You’ll also get 20% off an annual premium subscription.

This video was sponsored by Brilliant.

Article version: fasterthanli.me/articles/the-virtue-of-unsynn

Follow me on Bluesky: https://bsky.app/profile/fasterthanli.me
Support me on Ko-fi, Patreon or GitHub: fasterthanli.me/donate

Check out my podcast with James, produced by Amanda: sdr-podcast.com

📚 Contents

00:00 Sponsor disclaimer
00:02 Addressing the rumors
01:12 Sponsored segment
02:48 Build times
03:27 Comparing apples and nuclear submarines
04:37 Macro expansion
06:05 Build times, again
07:21 Enter unsynn
10:49 Warm builds
12:53 Putting things into perspective
14:44 Tooling
15:23 Credits

✨ Credits

Voice of Cool Bear
Tristram Oaten — @NoBoilerplate

Video Editor
Sekun Ho — sekun.net

Thumbnail Artist
Reimena Yee — reimenayee.com

Everything elseist
Amos Wenger — fasterthanli.me