FIFA won't protect the integrity of the game—it’s up to Balogun and Pochettino

Let’s look at a hypothetical (or highly topical) scenario regarding sporting integrity, specifically when a football association or governing body overturns a confirmed on-pitch red card right before a major tournament match.

If the general consensus among fans and analysts is that the decision undermines the integrity of the game, it opens up an interesting ethical question regarding the responsibilities of the participants involved.

The Thought Experiment:
In a situation where the official system fails to uphold the perceived standard of fair play, does the responsibility shift to the individual player and manager?

The Player’s Dilemma: Should a player in this position voluntarily choose to step aside and honor the original suspension to protect their own sporting legacy and avoid a tainted victory?

The Manager’s Dilemma: Does a manager have a moral obligation to bench the player to prove that the team doesn't rely on administrative favors, or is their only duty to win the match by utilizing every legal resource available?

If the team goes on to win the match with that specific player on the pitch, will the victory always be viewed with an asterisk by the football world, regardless of how well they played?

Where do we draw the line between maximizing a competitive advantage and upholding the unwritten rules of sportsmanship? Curious to hear how others view the ethics of this.