There are examples of exceptional heatwaves like the one you’re thinking about. The article is about testing people under controlled conditions to figure out exactly where the point that things go from ‘healthy adults will be fine’ to ‘not just the sick, pregnant, young, and elderly suffer, but huge chunks of the population die’

Those were heat waves, an infrequent hot period in the middle of otherwise normal weather. But now this is the new normal, this is what people are expected to live in and work under. That heat wave in France is now the everyday weather. That’s why this matters and why you sound so insignificant.