Differences in legal rules across jurisdictions, taxes, benefits, and contractual differences from person to person Some of the things I know of. Probably a to

Differences in legal rules across jurisdictions, taxes, benefits, and contractual differences from person to person Some of the things I know of. Probably a ton other exceptions. My main takeaway is that payroll deals with people on a highly individual and highly impactful way. This is not ordering a taxi. This is stuff to do with whether you have dinner on the table or whether you can pay for your daughter's life-saving surgery. It's interfacing with the messiest, most nonlinear, and most emotional parts of human life. You cannot simply put in a rulebook into a computer and call it a day.