RTFA.
It says, quite succinctly:
> I currently work at Google on the Chrome DevTools team and we check our node_modules folder into source control
It says, quite succinctly:
> I currently work at Google on the Chrome DevTools team and we check our node_modules folder into source control
Can't you ping him internally (don't you guys still use WebEx? lol) to ask him to clarify, and find out how it works for their team?
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.