Ultimately consumers can then make a better choice, to simply drop those subscription based games.
Evidence is strong that people follow the content they want, and then secondarily choose the least friction delivery model.
You're describing the reality, and the difference after adding these additional rule, they'd have to be honest about what you're paying for and for how long you are allowed to use it.
Additional, if it is a subscription, it's more likely ongoing revenue could possibly fund providing the service indefinitely. Will that always happen, obviously not, but then game studios won't be as likely to do the same exact thing that catalysed the stop killing games project.