The fact that we can still access and search these archives 20-30 years later is really amazing. It gives you a glimpse into a different time period. That's why mailing lists and forums are so important! Fortunately, SuperCollider still has a quite active forum (https://scsynth.org/). It makes me sad that so much communication has moved to proprietory platforms like FB groups or Discord servers, most of which will be forever lost in time.