I do think in general it's a more negative thing than beneficial.
Also, I am not saying it's connected to this example but keep in mind, some will think it will allow them the freedom to share resources with those dodgy communities where they make people's hard work available for free.
"They can't see me" - therefore they won't know.
I think it makes more sense to avoid posting if you fear repercussions for stating your beliefs. These days things can become heated and annoying over very simple things, sometimes people don't want to hear the truth.
But posting discretly, I don't think it's productive personally.