Wow. Obviously there are humidity differences during different seasons, but 23°C is probably the limit of "this is uncomfortably warm" for me if I set my thermostat above that.
If it's in the 80s outside, I'll probably drop the inside temp to 76, again to keep humidity down. I rarely set it below that. 74 feels cold in my normal summer attire of shorts and a tee shirt. If we have an 80 degree day with low humidity, I'll open the windows.
The thing about the nations I mentioned is that they either barely use any AC, like Switzerland, or set it to 25°C or more, like Japan.
They embrace discomfort - most of the world does.