Top NBA player transfers changing teams

Online lately, I've seen a lot of discussions about the biggest player transfers in professional basketball and how they've redefined teams. It always sparks a good debate to look back at those moments when a superstar changes jerseys. I was just thinking about how important some of those movements have been, not just for championship contention but for the culture of entire franchises. Which particular shifts in team rosters do you all think had the most unexpected or far-reaching effects on the league? Some of these transactions really feel like pivotal historical markers, don't they? I'm curious what everyone views as the most significant, transformative transfers.