List of devices requiring account for initial setup

Why not?

Why would I want to avoid such devices?

Sometimes when you buy such a device, you can receive an open-box unit which is paired to an account of the previous owner. Unlinking it is often impossible without an access to paired account, as even the manufacturer's support refuses to do it, citing "security reasons".

The list

Manufacturer	Model	Notes	Source
EZVIZ	Probably all cameras