To be fair, I think “Filestore” in itself is a pretty descriptive name, and the real problem is the name “Firestore”. I can imagine the internal discussion when a bit like that as well, and here we have the result.
It's a clear blunt suggestion to get out of their bubble.
No one outside Google would hear that explanation and say "Yeah totally makes sense one of them is an enterprise file share and the other a document database service focused on mobile and web, crystal clear and very little confusion.".
What more do you want out of my comment for it to not be low effort? Write a 3 page essay about it carefully making a case based on peer reviewed scientific evidence?
Thanks for the feedback. We spoke to number of existing GCP customers for feedback, but it's fair to say we can always talk to more non-customers.