I didn't watch the whole thing (yet) but the part that you link to is spot on: If the Google top brass or the rank-and-file wanted to give the service workers a better break they could do it overnight, it just costs money, and not enough people care or notice.
The first comment on the video has some context (if you take it at face value):
> Google initially decided, for the first time in its history, to not publish this video to its Talks at Google site here on YouTube after it was recorded. This presentation was given on the second week of September, note the publishing time lag. Giridharadas contacted Google to ask why, and his contact said "I'm not on that team anymore" and was blown off. He then leaked the story to a leading tech journalist, who started calling Google for comment because she was working on a story about why, for the first time ever, a Talks at Google video was not published. They published it the same week
For what it's worth, Talks at Google talks are often enough not posted online. This definitely wouldn't have been the first, or unprecedented. For example, I saw an in-person Talks at Google with Doug Stanhope where he said a lot of offensive shit, swore a lot, and made the audience feel uncomfortable. That one was never posted online.
https://youtu.be/d_zt3kGW1NM?t=2900