He wants people to come for DNA tests and be a victim contestant stooge "guest" on the show .....though of course there's no obligation to be on the show should they do your free DNA test. 
I could take the Mothercare invasion, the pram obsessives and the huns, but this is a step too far. On the plus side, maybe Matthew Wright will now consider us too low rent to bother with, arf!
Yours sincerely,
Horrified of Cheam