What is the most important reason for food handlers to understand and apply food safety knowledge?

The most important reason for food handlers to understand and apply food safety knowledge is to prevent the spread of illnesses through food.
Food workers play a critical role in ensuring food safety, those who do not practice proper personal hygiene, including hand washing at appropriate times and using appropriate methods can contaminate food. It is therefore; very important for food workers to understand and apply food safety measures so as to prevent spread of diseases through food.

Hahaha good one. you ? & oop

It is evolution, because we all have some of the same traits like eye color or shape or ears.