Answer: So as not to upset the French, sort of. The French may not have proactively objected, but indeed, the acronym of UTC was chosen so as to not specifically match the English version of the phrase. It also fell in nicely with the other acronyms of UT0, UT1, and so on.
Answer: 11th floor. The numbers coming back from the location sensor return as latitude, longitude, and elevation. That would make the elevation for where the device was at that time about 37.5 meters, much too low to be the 40th floor. There is enough information in the screenshot for you to know exactly when it was taken, and where on Earth!