Wenger's only goal isn't success, nor should it be. During the years when a combination of the stadium move and the billionaires inflating the market affected our ability to compete he could have gambled on success by spending money we didn't really have but he chose to look longer term. I think at times he was too frugal but I have no problem with the general principle of thinking longer term. Mourinho has never achieved long term success anywhere, yes he's able to do well in the short term - usually by throwing money around or inheriting a very good squad or both - but he's such an utter **** that it doesn't take long before people start turning against him and refuse to work with him which is exactly what has happened at Chelsea.
He maybe does take a bit too much pride in that, and in balancing the books, but it was a pretty impressive achievement to keep finishing in the top 4 over such a long period as other clubs spunked money to try and unseat us, and we're now in a very good position financially which should enable any future manager to compete. Wenger has succeeded in more ways that he's failed over the last 10 years IMO, I'm pleased for him that he's won the 2 FA Cups, I hope he can deliver at least one more title before he bows out.in addition he seems to have great pride in coming 3rd/4th and qualifying for the CL for the nth season, which isn't exactly the sign of a desire to win. Not maintaning momentum could also be an argument against a genuine desire to win.