There are two types of chanting: Offensive, where the result will be that the chanting will be stopped in due course of time. While the other one is offense less chanting, where we will be inspired to always chant more.
Krishna is merciful but Lord Caitanya is Mahavadanyay, that is, the most merciful. We are the most fallen ones; therefore we should seek Mahaprabhu’s mercy.
Chanting of Hare Krishna is the most cherished wealth, which remains with us even beyond death. Intelligent people recognize this and have the knowledge about how to preserve this wealth.