I'm still sure we can do a little better though.
Maybe a personalised diet and exercise plan based on a huge range of information: preferences, biometrics, habit forming, disposable income, your local area etc
This is an excellent point and reminds me that, in some ways, the agentic coding stuff and ability for RL to hill climb on that and improve models quickly, has distracted from prompt engineering / putting more effort into getting data to them as a user.
Like putting glue on your pizza?