The past couple weeks I've received at least 5 notifications like this and found the lack of "report spam"/"block sender" functionality surprising. I submitted

The past couple weeks I've received at least 5 notifications like this and found the lack of "report spam"/"block sender" functionality surprising. I submitted feedback through the app but I have little confidence that anyone is actually looking at those - I've always seen Google's feedback submission on Android as a b*tch abyss. For now I've just blocked all Drive notifications.