The current shortcuts just open a new note or capture as you've said. I am talking about an entirely different thing. Try watching a presentation or attending a Zoom meeting and having to bring up the minimized note window every time. It just breaks the flow. If you already have it right there next to you it's so convenient to add notes to it - after all users will get a chance to disable the feature if they want. Apart from OneNote, other note-taking apps have this feature and it works wonders. Being a researcher, academic, productivity writer and tutor this is definitely a priority for me - I mostly use Evernote to take notes during Zoom and PowerPoint presentations, not to mention while doing research online. I don't know if you've tried the Collections feature in the new Microsoft Edge, or the Note feature in Vivaldi. They offer something similar - the ability to have your note open all the time while you browse so you can instantly add things.