IMHO I don't think this is a fair title change. What is important here is the fact that access to DMs have changed. Not that the general import/export tools have changed.
If Google changed their TOS to suddenly make everyone's search history public, would the title read "Google changes TOS"?
This confused me as well, especially after coming back to it after the change. I had assumed some other Slack post went up and received equally or greater activity than the original post.
If Google changed their TOS to suddenly make everyone's search history public, would the title read "Google changes TOS"?