The plaintiff has maintained a close and supportive relationship with the brother-in-law since long before the marriage. It is unfair to punish him for maintaining a friendship that predates the marital issues. He should not be forced to sever ties with someone he genuinely cares for simply to appease his ex-wife's family. The groom himself wants him to remain in the wedding party, showcasing the genuine bond they share.
The plaintiff is intentionally disregarding the emotional distress of his ex-wife. His insistence on remaining in the wedding party is a blatant display of insensitivity towards her feelings and a deliberate act of defiance against her family's wishes. His actions are exacerbating an already delicate situation and prioritizing his ego over the well-being of those involved. He knows exactly what he is doing and is selfishly enjoying the drama.
While the plaintiff's friendship with the brother-in-law is valid, his continued involvement in the wedding party is causing unnecessary emotional distress to his ex-wife and her family. The appearance of taking sides in a family matter post-divorce is undeniable. Therefore, while the plaintiff has a right to maintain his friendships, the social implications and emotional consequences of his decision must be considered. Given the circumstances, a more considerate approach would be to prioritize the family's peace and step down, or at least discuss this more thoroughly with the ex wife.