Lakers do this to bolster their wing position for years to come. Creating the willingness to get rid of the 2027,2029 1st round picks unprotected.
Raptors get a solid center to replace one of their many wings as well as a shooter - play maker (Lonnie) to replace GTJ. Additional shooting support from the bench in McDermott. Additionally getting solidly below the tax line.
Spurs get their 2 1st round picks for expiring salary solidifying their tank race!
Side Note: McDermott/Richardson could be interchangeable
Lakers: PG - Schroder , Austin SG - GTJ , Pat Bev / Richardson SF - OG , Troy Brown PF - Lebron , Rui C - AD , T. Bryant
Raptors: PG - FVV , Flynn SG - Lonnie , McDermott SF - Barnes , Jauncho PF - Siakam , Boucher C - Poetl , Achiuwa
Spurs: They Don’t Care