The writers could have confined themselves to the 'mothering while black' item, which in itself would have been a great reflection on how white people call the police to report black people for idiotic reasons - thereby often endangering the safety of said black people. But the episode organically developed that phenomenon into a broader issue.
Lucca's question during the board meeting - 'How come that all black people present know the actual names of black people shot by the police, while the white people present are only familiar with the circumstances of their death, yet not with their names?' - was truly insightful. She showed them that there was a lack of interest and involvement. It's not necessarily racism, as Marissa assumed, but Lucca rightfully questioned their engagement, a lack of feeling personally affected.
And then the episode seagued organically into matters of hiring, salaries, opportunities and prioritising certain 'values' of employees, which, power structures and the assignment of values being what they are, tend to favour white people.
Also, I loved the part about the underground resistance and the country singer: it showed that you need to curb yourself, even while working for a greater cause. Never throw your comrades, bystanders or innocent people under the bus for your cause, however worthy that cause might be. If you do, you betray all that you stand for.
The best episode of the season so far.