Complex sentence: At that celebration, he talked about Bábi principles again, and while some people embraced them, a lot more did not, and they joined forces and made the destruction of Vahíd's life their main objective.
Split into simpler sentences: At that celebration, he talked about Bábi principles again, more people disregarded than embraced them. Those antagonistic to Vahíd joined forces and made the destruction of Vahíd's life their main objective.