I think this is a win win for all parties.
Pacers are already shopping Hield, so trading him and TJ for Lowry + 1 FRP gets them some draft capital and a veteran PG to guide Hali.
76ers gain depth with Buddy Hield, TJ and Caleb Martin to replace Harden - Assisting with their championship goals.
Heat make a win now move adding Harden to the PG position to pair alongside Jimmy & Bam