Millions probably put up with the oppressive heat, because they have to get on with it. It doesn't mean they don't think it's oppressive. Just like millions of people around the world that have to get on with extreme cold weather, which thankfully, we don't get in the UK. Mind you, reading some posts on here, you would think we had weather like Siberia here in the UK!
I blame it on central heating, it makes you a bit soft. I remember when I was growing up in 60's, we use to get ice on the inside of windows. If you wanted to go for a pee in the middle of the night, you held on until you really couldn't hold on any longer, as you knew you had to face that icy cold once you had left your bed. It was then a case of running to the loo and back as quick as you could and at my Gran's house that was outside. You try and tell the young people of today that, they won't believe you, they won't.