Because they don't have any plans to fix it, and unless something happens, chances of which are low but realistic, the chests won't ever work. Because saying -maybe- will put them under more flak from the community than a fluorescent-painted glider in a warzone. There will eventually be a person who'll post "omfg u promyssed dat u will do it!!111eleventyonecos(0)+shift Y DO U LYE LOL?? :,,,((("
Think of it like with aliens at area 41, with Funcom being the government.