Not really. It's just a negotiation. The Phillies hoped to get a discount by locking him up early and he preferred to let the possibility of going to the open market drive up his price. Whatever leverage Nola lost by not having a spectacular season is likely counterbalanced by the leverage the Phillies lost by none of their three prospects being ready and the free agent pitching market shrinking.
The Phillies clearly have very little true concern about overpaying players, and seeing as how he is a homegrown player who also gave them an extension discount they should ultimately give him whatever he wants if they really want him. They can afford it, and can also live with a few dead years (while still paying for replacements if necessary, unlike the 2012 and 2013 Phillies). The only thing that has to be managed is the tax #, which the Phillies generally address by giving out longer terms.
Of course if the Dodgers or Rangers make some kind of crazy offer, walk away. Teams like STL, HOU and ATL are less likely to do that.
Either way a team without Nola has bigger problems than a team that's overpaying Nola.