Your first two paragraphs really show the strength of your filter bubble. To you it has "brought to light the extent of racist police brutality". To others it

Your first two paragraphs really show the strength of your filter bubble. To you it has "brought to light the extent of racist police brutality". To others it has "brought to light the extent of black savagery". Different bubbles are exposed to very different things, for the vast majority of people they haven't been exposed to all these wonderful things you go on about. (As a side note, you might want to double check that 66% figure)