In I-Ching, we talk about balance Ying and Yang energy

You make a fair point. While the eighth hexagram Bi in the I Ching represents union, closeness, and coming together, too much of it can indeed become harmful. The concept of balance and moderation is crucial, as an excess of anything, even positive qualities, can lead to negative consequences. Here are a few ways too much of the energy represented by Bi could manifest harmfully:

1. Overcrowding or overpopulation: While gathering and unity are encouraged, too many people or elements coming together in a confined space or system can create overcrowding, strain resources, and lead to conflict.

2. Groupthink and loss of individuality: An overemphasis on unity and conformity can suppress individual voices, stifle creativity, and lead to a dangerous form of groupthink where dissenting opinions are not welcomed.

3. Dependence and loss of autonomy: Excessive closeness and reliance on others can lead to a loss of independence and self-sufficiency, making individuals or entities overly dependent on the collective.

4. Stagnation and resistance to change: A strong emphasis on maintaining unity and avoiding disruptions can sometimes prevent necessary change, adaptation, and growth.

5. Enabling toxic or unhealthy dynamics: In interpersonal relationships or group settings, an excessive focus on staying together at all costs can enable or perpetuate toxic, abusive, or unhealthy dynamics.

The I Ching, like many ancient philosophies, emphasizes the importance of balance, moderation, and the integration of opposing forces (yin and yang). While union and cooperation are generally positive, an extreme or one-sided adherence to any principle can lead to negative consequences. Maintaining a balanced approach, where individuality and autonomy are respected alongside unity and collaboration, is often the healthiest and most sustainable path.