One man’s immorality is another man’s religion, even if the immorality of that religion is pointed out by atheists. It’s common for religious adherents to sometimes act immorally – and sometimes hypocritical – despite what their religions supposedly teach. The same is true for atheists and what they believe. People are what they are, sometimes inconsistent, narrow-minded, and disagreeable.
But, there’s the message and then there’s the way you deliver the message.