This can be generalised to “having a deep understanding about your tech stack is good and profitable”. Spotify did the opposite and went from a complex peer to

This can be generalised to “having a deep understanding about your tech stack is good and profitable”. Spotify did the opposite and went from a complex peer to peer design to a “throw everything in an s3 bucket” design because the underlying business assumptions changed (among other things, p2p didn’t work on mobile). So yeah. I think the lesson here is stop making excuses and go compile a Linux kernel or something.