Goodreads doesn't allow it.
If you're reading horror stories about heinous threats on the website that hosts literally millions and millions of readers and thousands and thousands of authors, that's just what they are: stories. Or, in words of one syllable, lies. Just plain lies.
Goodreads is a wonderful place, full of fun and laughter and kindness and sarcasm and honesty (sometimes brutal honesty, but still honesty) and all kinds of different people with all kinds of different opinions.
I wish I had found Goodreads years ago, but I'm glad I've found it now.
Do I like everyone there? No, I don't. Do I agree with everyone there? No, I don't. You won't either.
Would you like the truth about what happened last week on Goodreads? The truth as supported by actual evidence rather than shrieks and wails of people who adamantly claim they saw something but have no evidence to back up their claims?
Try going here to get some more information, complete with screen shots of what actually was posted on Goodreads. Not satisfied? Try this one.
I'm one of the so-called "bullies" of Goodreads. I'm a "bully" because I dare to tell the truth and some people just can't handle it. The writing business isn't for sissies, and that hasn't changed since the days of the bone stylus on a tablet of soft clay.
But the writing and reading business isn't for bullies either. It's not for threats of physical harm, it's not for retaliating against people you don't agree with by publishing their private information, it's not for accusing people of crimes they never committed. None of that is allowed on Goodreads, because that's really bullying.