Why would anyone use this over Proton Mail or the gazillion alternatives if it treats people like shit.
What I do is I create rules with which I tag emails and auto archive them. This moves them to "folders" in a way I decide and removes them from the inbox. They all are still in the all mail tab.
I also archive all the mail after processing it so that "clear the inbox" feeling that Inbox had is not lost.
I still prefer Inbox to Gmail but I emulated all the features I used.