Thank you, this link allows clicking through to see Sandy's original thread, which is very informative and very necessary context.

Thanks. Here’s a direct xcancel link to the complete chain of Sandy’s posts that John Carmack replied to.

https://xcancel.com/SandyofCthulhu/status/206959220964578529...

Interesting to hear about the conflicts and real personal suffering. In spite of that, they built a classic genre-defining game together