Every bug is different. But the math is always real.
Think our numbers are wrong? Edit them yourself.
Base Impact Users Affected × Frequency × Time Per Incident How many Apple users hit this bug, how often, and how long they suffer each time.
Power User Tax Σ (Workaround Time × Participation Rate) The extra time spent by people who try to fix what Apple won't.
Shame Multiplier Years Unfixed × Pressure Factor How long Apple has known about this and how urgent the task usually is.