[tnzk]

Do you regularly use one of them? I've been aware of them for years but I've been never motivated to activity use them due to overall poor UX. Sign-in is already a hassle there. Yet I appreciate them maintaining them because I once had recovered my access to my devices when I was almost locked out of Apple ID (don't quite remember the detail though).

[Someone]

I haven’t used them much, but when I did, I found them quite usable.

I think a main reason Keynote, Numbers and Pages web apps exist is for sharing with non-Mac users.