0 is nothing, non-existent, etc., so it represents not being in the building, where there is no floor (we call it ground)
It's the first floor that you encounter of a building, not the zeroeth floor you encounter
Normal human convention is to count physical existing items from 1, I wouldn't say I'm wearing 0 shirts right now at work for example, or that I'm wearing 1 shoe
I've seen multiple people suggest hunting and get correctly told thats inaccurate
But would war fighting, or just fighting in general what with our aggression n shit help explain it?
The only times I've noticed this discrepancy in life are when hunting with women of playing competitive FPS games with my wife watching. I'll regularly see and react to things they don't, and are shocked when I shoot the sniper out of the tree on the other side of the map because yes, I did see him and I'm not crazy when I say I see shit flicker gdi
Aliasing also bothers me more than any woman I know, and everyone I know who hates it as much as me is a man