Will waiving Zhaire Smith haunt the Detroit Pistons?

PHILADELPHIA, PA - OCTOBER 15: Zhaire Smith #8 of the Philadelphia 76ers looks on against the Detroit Pistons during the preseason game at the Wells Fargo Center on October 15, 2019 in Philadelphia, Pennsylvania. The 76ers defeated the Pistons 106-86. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Mitchell Leff/Getty Images)

The Detroit Pistons traded for, and then waived, Zhaire Smith before training camp started. Was it a necessary move for salary cap purposes, or simply a boneheaded mistake that could come back to haunt them for years.