Well, an interpretation of the rules that their lawyers said was at least justifiable enough to make a legal argument out of. It's hard to write rules when the

Well, an interpretation of the rules that their lawyers said was at least justifiable enough to make a legal argument out of. It's hard to write rules when the readers are incentivized strongly to use any ambiguity as a weak spot to attack and use as a workaround rather than following intent. Following intent isn't a good legal framework either, of course, better to make the people with legal training work hard to write them correctly once rather than making them complicated to interpret.