It's more the hassle of it already being attached to my email/devices/phone. Honestly, I'll likely have to do this regardless before this gets resolved.
You don't need to change your phone to get a new account. And you don't have to change your personal email. And definitely don't need to change the physical device.
By going through that entire process, I now have a very compelling argument to go to the client with to recommend we switch vendors entirely.
Which will not only ultimately lose Microsoft a significant chunk of money, but will save ME future problems when their systems blow up again and I'm once again unable to get an answer better than, "create a new account and start over" once we're well in to the development lifecycle.
Nowadays too many sites overzealously claim + is not a valid character…