Doesn't matter if your uptime is 80% as long as that 20% of downtime is happening when nobody is working Additionally an 80% uptime architecture is really simp

Doesn't matter if your uptime is 80% as long as that 20% of downtime is happening when nobody is working Additionally an 80% uptime architecture is really simple to maintain and restore and so on. Complexity increases exponentially the more 9's you add.