The settings on toasters are designed to accommodate different preferences for toast darkness. While it may seem that the highest settings result in a burnt and unappetizing toast, they are meant to cater to those who prefer their toast very well-done or even charred. Taste preferences can vary widely among individuals, and some people genuinely enjoy darker and crunchier toast.
The reason for including such high settings is to provide a wide range of toasting options to suit various tastes. Not everyone likes their toast lightly toasted, so having these settings allows people to customize their toast to their liking, whether it's just slightly browned or extra crispy.
Additionally, some types of bread, especially thicker or denser slices, may require a longer toasting time to reach the desired level of crispiness. The higher settings can be useful for toasting these types of bread effectively.
While you might not prefer the darkest setting on the toaster, others might find it perfect for their taste buds. So, it's all about providing options and flexibility to cater to the diverse preferences of toast lovers!