there are several advantages, mainly that you keep your users from going to the mother site. in a WL they stay in your URL, your brand, and you can link back to your origin site from the WL. at least with the cambuilder white labels from Streamate that's being used by almost any major company.
make sure that your white label is as good as the mother site. a lot of mother sites would give you a worst product on their WL. not Streamate. with us you get the best. what we have you get too