Idk if it's just Google though, this is the exact tactic i use for my work emails in Outlook. I'm lazy as fuck and I hate organizing and deleting that shit, just leave it in a pile and I'll summon it when I need it. It's messy but it's easy and that's about as much effort as I want to put into work emails
Google Drive has also pushed people to just search a mess of files, and it might be to train people to use Google Search
Idk if it's just Google though, this is the exact tactic i use for my work emails in Outlook. I'm lazy as fuck and I hate organizing and deleting that shit, just leave it in a pile and I'll summon it when I need it. It's messy but it's easy and that's about as much effort as I want to put into work emails