Every bug is different. But the math is always real.
Users Affected × Frequency × Time Per Incident
How many Apple users hit this bug, how often, and how long they suffer each time.
Σ (Workaround Time × Participation Rate)
The extra time spent by people who try to fix what Apple won't.
Years Unfixed × Pressure Factor
How long Apple has known about this and how urgent the task usually is.
Human Hours Wasted ÷ Engineering Hours to Fix
How many times over Apple could have fixed it with the productivity they've destroyed.