Overwhelming majority of revenue for Google doesn't come from consumer devices and services... but rather, from advertising. Microsoft has tried hard to get into that arena, but it seems nobody can really edge out Google.
Of course, most of Google's devices and services funnel data into the advertising system... but they also do have paid services that are pretty popular, GSuite (Google Apps for Business), Google Domains, Google Drive Storage (paid storage above the 10GB they give everybody for free), and some others.
Even in advertising it’s arguable that Facebook has become stronger than Google. FB ads already command a premium over Google ones. While Google is still gonna be the dominant player for the foreseeable future, it’s definitely a risk.
FB may charge more... but you don't constantly see articles about how ineffective Google advertising networks are, and they own a lot more than just one advertising network.