Why is it hidden? Is it natural for some people to look in site stats in order to find the subscribers?
It's not really hidden, that's just where it's always been. We consider the total of subscribers a statistic, and linking the list up with the total just seems to fit well.
If you want to permanently delete your site, please follow this guide:
Please read the warnings and advice before deleting a site, as we can't revert a site deletion for any reason.
If you want to hide your site instead, you can use the following guide to make your site private so only you and other members of the site can view it when logged in: