It's important to note that Marty had messed with Cyraxx well before both of their internet infamy. While harmless at first such as deluding him into thinking he has signed up with a record label, it did devolve into more brazen efforts of wasting taxpayer money by sending police there, as well as people trying to make some money with the door knocks. Cyraxx asking for Marty's dead girlfriend nudes gave this a personal spin, that can not be truly replicated by any buddy troll to follow in the footsteps of Marty.
New trolls use his pedophilic tendencies as a shield for their own behavior, as you mentioned. It's the same shit we see with Daniel Larson - Just a bunch of redditors with a hero complex who want to feel superior to somebody or have a weird power dynamic where they have control.
Marty was always responsible for the best Cyraxx moments, and that has to be stated objectively. The only thing he wasn't originally involved in that was actually funny, was when the new Liquid Chris sent Cyraxx a USB that bricked his xbox. Nothing else can compete with all the moments Marty and Cyraxx shared.