Certainly, a good setting improves matters! But here for some reason it's very common to do anime cons at convention centers that are built in the cheapest way

Certainly, a good setting improves matters! But here for some reason it's very common to do anime cons at convention centers that are built in the cheapest way possible. Think a huge, empty square box, with a rough and dirty floor like a parking garage and a ceiling full of cabling and ventilation ducts. It just clashes horribly with anything not post-apocalyptic. The lines of sight can be very long so something unfitting in the background is near guaranteed, and they like to mix and match lighting temperatures often with lights right next to each other.