There is more than 1 way to skin a cat. In other words, there is no set formula to this.
Ainge did well adding 2 stars to 1 already in place and resisting trading the 2 young players that were showing the most potential. Those 5 fit together very well in the form of a starting lineup puzzle. The easy part was adding the bench pieces (PJ, House, Posey).
This time might be a little harder because he has a couple of pieces (Rondo, Green) with health issues.
I love Rondo but I'm not sure he can hold up for another 4-5 years. His style of play coupled with his slender frame makes him a risk.
I agree there's more than 1 way to skin a cat, most people think the only way is with a top level superstar. While I definitely think having one of those is the best/easiest way to get to a championship (and tanking is the best way for most teams to get one), it’s definitely not the only way. The problem is, maybe only once every few years does a transcendent superstar comes along, Durant in ’07, LeBron in ’03, Duncan in ’97, Shaq in ’92 (with some lesser superstars like Dirk, KG, Howard, etc. able to sneak a championship or Finals appearance in the mix). We all know it takes a lot of luck to get one of those players.
But I really think you can build a solid team and win a championship too without a top pick. Yes it’s harder and hasn’t really been done in the recent era except for the Pistons, but just because the Pistons were the only team to pull it off, doesn’t mean it can’t be done. Just a brief run down in my opinion:
Portland (Finals in ’90, WCF in ’91, Finals in ’92)
New York Knicks (Finals in ’99, ECF in ’00)
Indiana Pacers (ECF in ’94, ’95, ’98, 99, Finals in ’00, ECF in ‘13)
Detroit Pistons (Championship in ’04, Finals in ’05, ECF in ’06, ’07, and ’08)
Memphis Grizzlies (WCF in ’13).
While the NBA championship has eluded all of these examples except the Pistons in ’04, most of these teams came within a game or 2 of winning the whole thing, or losing to the eventual champs in the Conference Finals. Indiana doesn’t take Hibbert out, maybe they’re the champs. One tweak here, a couple of tweaks there, bring in one more bench player, don’t lose a certain player to injury, make a minor trade, and maybe the outcomes are different.
Even though good teams not built around that mega-star haven’t won, doesn’t mean they can’t. Enough teams have come close enough over the last 20 plus years for me to think it’s very possible. Harder than building around a mega star sure, but still very possible. And since there are so few mega stars out there, I think this is the avenue more teams should take.
In conclusion, despite lack of championships by good teams not built around a transcendent mega star, enough teams have come close enough to show me it’s still very possible.