We also advance very few candidates to interviews and hire a surprisingly large proportion of those who interview, so it's not like you're doing all this interviewing for the usual slim chance of being hired. The written materials are the primary filter.
Hiring process RFD: https://rfd.shared.oxide.computer/rfd/0003
It genuinely took me another year to even consider applying to another job it was so demoralizing.
They told me I could re-apply in six months and encouraged me (seemingly genuinely) to re-apply for their capricious activity, I just laughed in their face.