We may need the extra 5 years to perform the exorcism on the Pike air rights that have been cursed for almost 50 years.
But I think in this case you have to look at the trending more than the value of trying to salvage something from nothing. It's getting worse at a steady and seemingly irreversible rate, and the developer's demands for a freebie getting more outlandish. The odds of it imploding into nothing or netting something we truly regret being built are very high, and that's going to waste more time and more years of blight than cutting ties and starting over with this as an utmost priority. Unless the trend reverses...not just slows its nosedive...there's little practical to save. It's chasing a moving object that's going to decay a lot more in the process of trying to save it, so it's not all that useful to have a picture in one's head of an acceptable "stop-loss" compromise development when we're nowhere near achieving stop-loss.
The scary part is that while this development is trending negative very quickly, the new Mayor is trending very positive towards it. Those quotes from Walsh in the article about Rosenthal and this development make me want to yell "NO!!!!" The Mayor should not be in such a rush to dive down this rabbit hole in order to create more temporary work for his union brothers. If that is what we are in for, then the next few years may be very bad.
There are alot of good development proposals out there that need the Mayor's backing. This ain't one of them. This is like watching a loved one marry a degenerative drinker.