“The presence of generalized bad blood between two gangs doesn’t even support an accusation that any particular individual agreed with another, to rumble. It’s utter absence of evidence, so the “weight” of it is a nonsense inquiry. “
There was SPECIFIC bad blood between them. Previous acts of violence.
Who is "them?" Rumbles between two gangs does not translate to "particular individual agreed with another, to rumble," and "particular individual agreed with another, to rumble" is what has to exist in order to find conspiracy.