@adjusted knowledge
about the nr of registrations,.. i have reliable sources. Besides that individuals are not yet instructed to do so.
About the Roku link. Since JW Broadcasting has their own channel on ROKU and the fact that it runs smoothly on those devices it's only logical that this is mentioned.
Its the same as mentioning links and logos of the Amazon store, Apple store, Google store and Windows store as is done ont this page for example
http://www.jw.org/en/online-help/jw-library/