“The McD suit was actually righteous. The coffee was so hot it caused 2nd degree burns. That is too hot for your mouth so I do not understand that anyway.”
The McDonald’s suit was pure BS by an ambulance chasing lawyer.
Coffee is brewed at 195°-200° to get the best flavor out of the coffee. According to experts if the water is cooler than 195° the brew will be flat or even sour tasting.
https://sipcoffeehouse.com/temperature-for-brewing-coffee/
Some sources say the best DRINKING temp for coffee is 145°. Still hot but that cup of Joe has to cool 55° before imbibing. That takes a minute.