I'm generally not home during the day. Keeping them closed means I come home to a cooler house. But yes, I agree with your broader point being made generally-sp

I'm generally not home during the day. Keeping them closed means I come home to a cooler house. But yes, I agree with your broader point being made generally-speaking. When I'm home, I'm using fans, including my window fan to expel heat from inside -- so windows are open.