A walled garden is a platform where auth is required to come in and user content is owned and stuck within. IRC is not a walled garden. You will have a better

A walled garden is a platform where auth is required to come in and user content is owned and stuck within. IRC is not a walled garden. You will have a better time registering with Nickserv, but you can pull content and logs channels. So, more like a fenced meadow.