That's a fairly detailed analysis of an APT workflow.

Now, non-APT actors, if they wanted to up their level of sophistication, might replicate some of these workflows for their own nefarious activities.

There's always a risk of openness creating copycats, but there's also the fact that informed decisions can now be made by people who need to mitigate against these malicious actors.

There's no way to only give the information to one group without the other group getting their hands on it.