Precisely when it is apparent that Stephen Curry, Kevin Durant and LeBron James are descending from their peaks, the basketball gods bless us with the most compelling NBA Finals since all three were featured in firefights between the Warriors and Cavaliers.The NBA’s New York headquarters is alive with the clinking of champagne glasses and the ringing of slot-machine jackpots. Maybe singing. The celebration began Saturday night, and the league hopes it continues through June 19, when Game 7 is scheduled.On one side, the hoop gods are giving us the veteran New York Knicks, with their devout and long-suffering fan base, standing behind an undersized star while representing America’s largest city. Many consider New York basketball heaven and Madison Square Garden the mecca.On the other side, we’re getting the youthful San Antonio Spurs, more than a decade removed from metronomic excellence. Now, featuring Victor Wembanyama, the global game’s latest phenomenon, a 22-year-old wunderkind reaching to seize the royal torch from Steph, KD and LeBron.Such disparate characterizations ought to make this battle immune to apathy. Both fan bases are rabid, but some of that...