No, they have more rings because they've been together for 12 years.
It astonishes me when people try to turn maximizing your professional worth into a morality play.
Nobody is offering 95-year old Tim Duncan a max deal, even the Spurs. He hasn't had that kind of market value in 5 years.
Like Manu and Parker, he still looks good because he's treated with kid gloves and never has to really work hard until April. Bosh does not have that luxury.