That's irrelevant. The act of publishing has a well-established meaning. Publishing an encryption key, only to shame others who have used your key to send you e

That's irrelevant. The act of publishing has a well-established meaning. Publishing an encryption key, only to shame others who have used your key to send you encrypted data is unreasonable. How is that different from publishing a book and shaming your readers for reading it? "Oh I didn't know that by publishing a book, I was encouraging others to read it!" isn't a good response. Also, any user of a tool should at least check what the primary purposes of that tool are.