People's intentions are at the crux of the whole issue. Booking a room with no intention to stay there in order to position yourself ahead of the 11 month window versus someone's plans legitimately changing is 100% different.
Being able to switch your resort at 7 months is an intended part of the program. Everyone buys in knowing they can do it. Do people honestly think switching resorts at 7 months is the same as walking a reservation for 75 nights or more? I can say with confidence that booking rooms with zero intentions of staying in them to jump the 11 month window is not an intended part of the program.
Just because a practice, that almost any other lodging company bans, isn't explicitly prohibited by DVC doesn't make it right.
I think the only reason we haven't seen DVC curtail the practice is there's no easy way to do it. Unless they implemented changes to only the few categories that are actively walked, it would probably negatively affect way more people across the whole DVC system than it would help. I'm resigned to the fact that walking probably isn't going anywhere....doesn't mean i have to like it