As you been asking? as a communicator with huge interest in issue here professional explanation

Cognitive diversity has been defined as differences in perspective or information processing styles. It is not predicted by factors such as gender, ethnicity, or age. Here we are interested in a specific aspect of cognitive diversity:

how individuals think about and engage with new, uncertain, and complex situations

Echo chamber is a metaphorical description of a situation in which beliefs are amplified or reinforced by communication and repetition inside a closed system and insulates them from rebuttal. ... 

RELATIONSHIPS are often the key with so much in life.

Matter substitute issue...concern...exploration...topic..

Communications more then the verbal exchange with process differently...

Behaviour

Attitudes

Language

Negativity

In my mind, the crucial issue right now isn’t what people hear......
                                         WHO THEY BELIEVE