It's not so black and white or all or nothing.
There are a lot of variations to shoe fit including time of the day, salt intake, blood circulation, thickness of socks, etc.
For these exact same reasons 3D scanning and printing are not needed to create perfectly fitted shoes.
And I always find it fascinating that people buying country boots the same size as their dress shoes as evident in G&G and EG threads. Either they wear thick country socks with their dress shoes or...