With that said, do you believe there’s some level of conspiracy between the league management and the referees to help one team get more favorable calls, just to make sure the series goes longer?
I understand the situation (draw or victory) in the world of sports what else basketball, boxing or soccer can be set to determine victory, of course you know who is playing in such a situation.
Cases that OP questions have happened here:
Former Official: NBA Refs Rigged Playoffs To Extend Series, So it's not impossible to do in the basketball league that you mean and for certain games.
In the world of sports, such cases have happened.