Please tell the group owner about yourself and why you would like to join the group?

Question

Please tell the group owner about yourself and why you would like to join the group?

Answer 1

You have to do that to comfirm your subscription.  

Answer 2

Some groups ask that but many don't.

Answer 3

once you fill that box in with something, you may be approved as a member of the group- that group is restricted membership and many groups have this type of group to screen members