[YetAnotherNick]

Google is an ad monopoly and ad business should be broken up somehow(I don't know how). Here we are breaking up every business other than ad business.

[lolinder]

This case is about their search monopoly. There is another case pending about their ad monopoly.

And also: breaking everything else off of the ad company is the obvious answer to the ad monopoly. Every other part of Google exists to feed its advertising monopoly and maintain its edge there.

[YetAnotherNick]

Google Ads can rely on third party websites entirely due to their deep penetration. And they have a clear network moat.

Other parts of Google(mostly good for the world like maps and youtube and search) can't survive without ads.