Perhaps he carefully investigated those ones and was able to see that they are phonies.There are gullible people in Australia just like everywhere.
He really didn't need to go overseas though - aren't the weirdos in Australia and New Zealand good enough for him? Why couldn't he "buy local" instead of seeking cult material from the mother country England?
E.g. he could have visited Jesus reincarnated from Kingaroy. http://www.aj-miller.com/
Harold Camping said the same thing. https://www.christiancourier.com/articles/582-harold-campings-new-revelation-leave-the-church
Cult leaders try to make people leave the church like predators try to separate animals from the herd.