Doesn’t work for comments

This has worked for me once in the past, but I think the first time I only used it for product reviews. But when i tried this for blog post comments – particularly with replies, (as someone else noted) the comments are all messed up after moving them over. e.g. the replies are marked as being replies to different comments, so the threads are all broken. It might be OK for one-off type things, but I was trying to move about 50 comments and definitely couldn’t handle that. About 40-50% were incorrect. I even tried deleting and re-moving a 2nd time, but they still were all messed up.