Being balanced on both ends of the basketball court does not always guarantee a championship, but it can usually be a pretty good indicator of who will hoist that year's Larry O'Brien Trophy. More often than not, it does turn out to be the case.
Six of the last 10 NBA champions have posted both an offensive and defensive rating that ranked in the top 10 during the regular season. The four exceptions were the 2023 Denver Nuggets, 2022 Golden State Warriors, 2020 Los Angeles Lakers, and 2018 Warriors.
It is worth noting that of those four teams, two of them really found that balance in the NBA Playoffs.