If you take the stair down from the ground floor, the second floor you see is the basement top level. Do you call that the second floor then? Is the order of floors decided by the first guy that walked into the building with floor numbers (after they forgot the 0 sign ofc). Does the floor numbering for each building depend on whether they wanted to start upwards or downwards that day?
Your ‘first floor you see’ way of thinking only holds up for the ground floor. Meanwhile just pure rational (mathematical even) +/- X from ground floor is logic all the way around














The low quality preview is a bit choppy for sure, but opening the image and clicking ‘hd’ will load the full image.
Fyi theres some settings related to this, eg if you have fast enough data you can set it to do a full load even in the feed.