Got it. I think that currently new notes might be going to both the Inbox and DM relays. Also, I may be wrong, but I believe that aside from notes I'm tagged in and my own activities (self-replies, likes, zaps), Amethyst is also trying to write the original notes I'm interacting with, as well as various other types of notes, to the Inbox and DM relays. Here's what I mean:
 https://image.nostr.build/425654e44b9ca698cbeaba4ce636ed7d33efce0b7e7a1bb0d206104a132773f8.jpg

https://image.nostr.build/4fdd34bf52f56c7f9bdde0ffc479e675f252955d94fbc42c5af9874f8bea343a.jpg

https://image.nostr.build/519b9d931795da513d79c251bbcebe0bcf4825cf4af28c7a61033b5c264e04e3.jpg