It took a few weeks for our developers to learn basic sewing techniques, but once we did that we were able to move onto automating the looms fairly easily.
Looms were the original computers so it was easier than you'd think. https://en.wikipedia.org/wiki/Jacquard_machine
Just got an email announcing this for the first 20,000 members.
I was a bit surprised when they initially announced this, there was also some discussion here around them making the shirts themselves, where people were quite skeptical:
https://news.ycombinator.com/item?id=40011314
But now I'm actually looking forward to my T-Shirt, Doggo Original Yellow it is!