Unrelated to books really, but if you hate spamming your feed with "is now friends with x" posts you can go to Account Settings > Feed > Only on Goodreads > Added Friends. It should turn off it posting when you added people. It is a little wonky though.
I just know i hate scrolling through all the "is now friends with" post just to see the book updates i want
I just know i hate scrolling through all the "is now friends with" post just to see the book updates i want