I have to agree with you, Nick29.
Many people here on Rootschat are very wary about putting very much at all on GenesReunited.
I have my tree on there, but no living people, except me. And I tend not to put deceased people on there, if they have living offspring, unless they too have added them, because that can cause problems, as well. My father is no longer alive, but he is on there as 'male relative'.
A relative of my friend put the details of her family on, without permission ~ I found them and she was really annoyed. I would have been, too.