Also, the category is broad. Reply to something with an off topic reply could be counted as spamming, including my replies in the #NeedsMoreLikes topic.
If I can’t be sure if an insult or insinuation on twitter would legally be falling under the seven or so possible paragraphs of different applicable laws, highlighting it as spam is an easy choice.
Twitter’s reporting is basically bullshit in troughs. As @robertmckenna said: burn it, with fire.
I say nuke it from orbit.
And why not both?
Nothing of value will be lost.