The one major issue is that it doesn’t work inside other apps. If I save something in Word, it pops up the standard File dialog and every storage provider available for my iOS device - Dropbox, OneDrive, Google Drive, iCloud Drive, local storage, network drives, and locally connected mass storage devices are available.
My base salary has doubled and I enjoy my work a lot more now that I don't have to accept all kinds of MS shenanigans to play a part in how I work.
Having a working search engine shouldn't be underestimated either: living from 2012 to 2022 knowing that search used to be a solved problem but wasn't anymore was really annoying.