After a chaotic preseason, the Celtics ask: Why not them?

Boston Celtics forward Jayson Tatum (0) during Boston's game against the Philadelphia 76ers, Tuesday, Oct. 18, 2022, in Boston.BOSTON — The Celtics talked an awful lot in training camp about the value of experience. Last season, they got loads of it by surviving a brutal start, and by ousting intergalactic celebrities in the early rounds of the playoffs (Kevin Durant, Giannis Antetokounmpo) before advancing to the N.B.A. finals.

The process made them tougher and wiser, with a reservoir of resilience that may have equipped them to handle the news, essentially on the eve of camp last month, that their coach, Ime Udoka, had been suspended for the season for violating team policies. His sudden…