Complex sentence: Likewise, they do not care to be engaged in a dialogue of pluralism for a better understanding of belief system differences, including Human Secularism, or forms of Agnosticism and Atheism.
Split into simpler sentences: Likewise, they do not care to be engaged in a dialogue of pluralism for a better understanding of belief system differences. This includes Human Secularism, or forms of Agnosticism and Atheism.