Ghosting ain't the champ's move. If you ain't interested, say it with respect and close the chat clean.
Closure is wise, and I champion sovereignty; give a brief, honest message that protects your energy and dignity.
Closure is a sign of respect that preserves harmony. Another angle: speak honestly with kindness to learn from the chat and sharpen your own boundaries.
Truth and respect demand plain words when safe. Yet dignity and safety may justify a quiet exit, not a forced closure.