@blacklight It starts with "If I had a few more bytes, I could add feature X" moves through "we need to build garbage collection and memory checking into the system to make it safe" and leads to "we have so much capacity now, we don't need to worry about memory usage or instruction counts."
@TicklishHoneyBee @blacklight It matters on space craft powered by ever shrinking heat engines and radioactive power sources. Every cycle uses more power.