You're not a coffee drinker are you? :) The optimum brewing temperature for coffee is 200 deg F (94 deg C), plus or minus a few degrees. This is the range recommended by professional coffee associations such as NCA and SCAA [1], and is the range used by pretty everyone, from Starbucks to your local diner. The NCA recommends that coffee be served at around 80 deg C (which is what burned Stella Liebeck); this is a perfectly reasonable service temperature, widely used by most good coffee shops and restaurants, including McDonalds to this day.

The "settled arguments", as you say, were questionable to begin with, and businesses continue to struggle with how to balance decent coffee service and protection from frivolous lawsuits. But the only thing that's really changed since Stella's lawsuit is the addition of warnings on coffee cups, just in case anyone else decides it's a good idea to squeeze a cup of hot coffee between their legs while they fiddle with the top.

1 - https://www.ncausa.org/About-Coffee/How-to-Brew-Coffee

Yet she had handled it before, as had millions of other people. No, this was a case of 'who can I sue to get paid for my injury', which is an epidemic these days. That's also well known, and its disengenous (and massively naieve) to assume that winning a legal battle means you are in the right