A woman who is 6 months pregnant goes up in a hot air balloon? She doesn’t have much regard for her baby, does she.
And the day after a fatal accident at the same balloon festival! As for the relative danger of cars, if she has the sense to stay out car with operational airbags, the car is definitely safer. But it’s really not a valid comparison, as cars are needed for transportation to important things like work, food shopping, and doctor appointments — IOW, there’s a risk/benefit calculation, and the benefit side wins. There is no tangible benefit to going for a ride in a hot air balloon. Sure, it’s fun, but so are a lot of alternatives that would carry a lot less risk.