tbf Google is so far ahead that it’s kinda not a real company. Aka you don’t have to adopt every best practice google does since you aren’t that big, mature, secure or rich.
Aside: They seemed to like their Linux containers in 2014[0]. No idea if they're still using the same technique, or have maybe moved onto Kubernetes?
[0]: https://www.theregister.com/2014/05/23/google_containerizati...
One of the lead devs - years of tenure - on one of the Android backend teams had barely heard of the name and wasn't sure what it was when I brought it up 2 years ago.
Linux containers including Docker are absolutely widespread as I understand it, though.