> However, that code ran the business for 12 years with almost 0 modifications We have code like that, and it requires everything around it to twist and contor

> However, that code ran the business for 12 years with almost 0 modifications We have code like that, and it requires everything around it to twist and contort to comply with the beast of unmaintainable at the center of it all, simply because at this point it has so poor test coverage and is so incredibly mission critical now.