For the record, stuff happens and I don't think SAB's closure really warrants compensation of any kind.
I do think, however, that Disney really shoots themselves in the foot with stuff like this. They should anticipate that they'd get more complaints during a closure during spring break and have a firm plan in place for dealing with it. (many BCV owners have travelled in Jan and early Feb and expect some maintenance because it's the off season)
Disney should have made a pre-emptive offer of some sort--special pool hopping arrangements, water park passes, free ice cream at Beaches n Cream, arcade cards, Special bus to Kidani pool--something to head off complaints and the idea that if you complain more forcefully you will get more. How many people would even have used a water park pass? But how many complaints would have been avoided by handing them out? They also could have kept DVC's pool off limits to BC guests if they were offering another form of compensation.