Just signed up here. I checked and found that I had 67 default subscriptions to other subs...that I did not subscribe to.
So, I went and unsubscribed from them all....manually. This can also be accomplished through:
Preferences>Subscriptions>reset subscriptions>yes
If you don't want to be subscribed to/show support for subs then I would suggest taking a moment to unsubscribe from all of the default subscriptions.
there doesn't seem to be anything here