On 11/30/2019 10:07 PM, Hawk wrote:

The coffee industry is loath to turn down the heat, despite potential
liability for burns. The Specialty Coffee Assn., whose members include
coffee roasters, retailers and restaurants, says coffee tastes best if
brewed at 195 to 205 degrees.

There is a difference between brewing and serving coffee. Presumably
McDonalds is in the business of serving coffee.

https://www.littlecoffeeplace.com/co...al-temperature