That's somewhat debatable. Are 10 championship-quality talented players really that far below 3 extra talented guys? It's a team sport.
The Pistons in 2004 made a major mid season trade to add talent (Rasheed). Not sure what point you are trying to make in 2010. Boston had a major injury in game 7 and lost to a team that was at least equally as talented and that was playing at home.
All the chemistry in the world doesn't matter if you don't have the talent to beat superior talented teams. For me I just don't think this team is good enough to realistically compete with the three big boy teams (Miami, OKC, LAL) and thus I don't think perfect chemistry actually matters.
I disagree with this in general. The 2004 and 2010 NBA Finals are what jump to my mind as counterexamples over the course of a 7 game series.
But in terms of the Celtics, I agree with you because our team has very little chemistry working in its favor thus far. So in response to the OP, I have no problem with it not because I don't think chemistry matters, but because we have such little chemistry built up so far that would be in danger of being set back.
Yes, but they were still very very much less talented than the stacked Lakers of that year. Those Lakers were one of the best collections of talent the league has seen since I've started really following the NBA in the mid 90's. But Detroit's chemistry trumped the Lakers talent.
And sorry, I meant 2011, not 2010, when the Mavs beat Miami. Miami was clearly had far more talent on that team.
When Miami won they had much more talent in Battier and a healthy Miller than they did in Bibby, James Jones, and Big Z.
Same thing with the Lakers, yeah they had SOME talent left in a 35 year old Payton and 40 year old Malone, but it was still 2 vs 5. Kobe and Shaq were probably even more talented than LeBron and Wade, but when you have 5 all stars that talent adds up.
Your examples are exceptions. One of them had Dirk on the team. One of them made a huge mid season trade. And it was the team that didn't make a big move that imploded in 04.
Other example, in 08, Lakers added Gasol and made it to the finals.
If the Celtics can upgrade their top level talent with some of the depth talent, it would be foolish not to.