We’ll take them, one by one; even if they come as individuals or as a group.
All we can say is “Welcome to the One, Holy, Catholic and Apostolic Church!”
And I think that’s enough!
(PS. A lot of catechesis is going to be needed.....maybe.)
Take a good look at the links posted to two churches in posts 8 and 10. It looks to me like the parishoners are probably a lot better catechized than the millions of CINOs.