>you won’t be able to survive outside 3-4 hours without dying of a heatstroke

Just the same lies over and over. I have pulled 10 hour shifts in this heat and a lot of people do.

The key is to wear long clothing that covers your limbs along with gloves and something to cover your head. Also to stay hydrated.

It is honestly very similar in the Middle East, a lot of Muslim immigrants to the South find it is a similar climate. Particularly in Texas.