> Unless you mean that he should have shared with Aditya Mukerjee his article/accusations/assumptions/whatever and allowed him to respond to or rebut it prior to publishing it.
That's typically how journalists try to do things, and it's a reasonable thing to do - that's why you almost always see "We attempted to reach X but received no response" or "X was contacted, but had no comment".
The standard is relaxed somewhat for blog posts, I suppose, but at the very least the thing to do would be to send the original author a link to the post as soon as it was posted, asking for comment, and include a note to that effect in the post.
That's typically how journalists try to do things, and it's a reasonable thing to do - that's why you almost always see "We attempted to reach X but received no response" or "X was contacted, but had no comment".
The standard is relaxed somewhat for blog posts, I suppose, but at the very least the thing to do would be to send the original author a link to the post as soon as it was posted, asking for comment, and include a note to that effect in the post.