From the dev post itself. Boon exists so you don’t have to “stop playing to avoid wasting them”. That’s literally what you have to do with ashenvale buff now.
Yes, it’s been beaten a thousand times into the ground that you get a scroll. But any decent guild is going to get all BFD clears within that two hour window per week. So you’re still forced to avoid playing if you want to keep it, which goes against the exact thing they said.
Even more explanation