Why is corporate examination important in the context of the Lord's Supper?

In addition to individual self-examination, Paul teaches that there is a corporate responsibility during the observance of the Lord's Supper. In 1 Corinthians 11:31, he states that if the church would judge itself collectively, they would not face judgment from the Lord. This underscores the importance of community accountability, where members of the body of Christ are encouraged to lovingly correct and instruct one another when they see a brother or sister in sin. The health of the church as a whole is intertwined with its members' spiritual states. If the church remains silent about unrepentant sin, it risks bringing condemnation upon itself and failing to uphold the purity and unity that Christ intends for his body.