Well, mission critical software has to meet latency requirements, but it has to do so in a way that's provably bounded. In some ways, it's actually worth being

Well, mission critical software has to meet latency requirements, but it has to do so in a way that's provably bounded. In some ways, it's actually worth being a little slower if it's easier to prove you meet latency requirements. Point being it's not entirely orthogonal to "performance".