A couple of things about this: First, POFQ doesn't always share a bus with POR. Actually for my last to stays at POFQ we had our own bus all of the time. Granted, those were busy times of year, but I just wanted to point that out.
Second, your info on the All Star Resorts is incorrect. I have stayed at the All Stars 4 times now, the last stay just this past December, and I can tell you without a doubt each resort has their own bus way more often than they share.
Also, while Pop may not share a bus, that resort is much larger than any individual All Star, meaning that you may end up waiting longer for a bus that has room on it than you would at an All Star Resort. Too me, that makes all of the Value resorts pretty darned equal as far as bus service goes. Having one stop doesn't mean a whole lot if it takes you multiple busses to get going anywhere.
I do agree the bus service at the Boardwalk area resorts needs to be improved.
Sorry, I'm not trying to be hostile. But I wanted to share my own bus experiences at the All Stars.