Everything cited in this article can be grouped under the umbrella of 'manipulation of public opinion'. The tactics used have been analyzed and grouped similarly before, for example there was the late 1930s Institute of Propaganda Analysis which produced some publications grouping propaganda tactics into these categories:<p>Name-calling, Glittering generalities, Transfer, Testimonial, Plain folks, Card stacking, Bandwagon.<p><a href="https://en.wikipedia.org/wiki/Institute_for_Propaganda_Analysis" rel="nofollow">https://en.wikipedia.org/wiki/Institute_for_Propaganda_Analy...</a><p>The other notions - i.e. malicious sabotage or disruption of groups by inserting agent provocateurs - have a similar long history and have also been analyzed, it's basically just spying of various sorts (see Sun Tzu, Art of War, Chapter 13)<p><a href="https://suntzuart.com/sun-tzu-art-of-war/chapter-13" rel="nofollow">https://suntzuart.com/sun-tzu-art-of-war/chapter-13</a><p>As others note, assuming someone you disagree with on an internet forum is a malicious bad-faith actor isn't a very healthy or useful perspective to take. Yes, there's a lot of PR efforts directed at social media platforms for various reasons, but it's always best to just present a well-reasoned argument in support of your views and leave it at that.